{"problem": "Write code to write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates with error handling.", "solution": "# Variation 0\n#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0000"} {"problem": "Implement create a terraform config for a digitalocean droplet (2gb) with ssh key with error handling.", "solution": "terraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0001"} {"problem": "Create write an ansible playbook to install packages and start nginx with error handling.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0002"} {"problem": "Build bash script: create deploy user, install docker, harden ssh with error handling.", "solution": "#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0003"} {"problem": "Configure write a systemd drop-in to override service restart settings with error handling.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0004"} {"problem": "Set up create a logrotate config for application logs with error handling.", "solution": "/var/log/app/*.log { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0005"} {"problem": "Write code to write a shell function that waits for a tcp port to become available on a remote host using best practices.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0006"} {"problem": "Implement implement a script that sets up a python virtualenv using best practices.", "solution": "# Variation 7\npython3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0007"} {"problem": "Create write nginx server block that serves static site and redirects http to https using best practices.", "solution": "server {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0008"} {"problem": "Build configure nginx as reverse proxy to backend on port 3000 using best practices.", "solution": "upstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0009"} {"problem": "Configure write nginx rate limiting configuration for /api/ endpoint using best practices.", "solution": "limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0010"} {"problem": "Set up create nginx config snippet that adds hsts and csp headers using best practices.", "solution": "add_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0011"} {"problem": "Write code to write a systemd service unit for a python app as non-root, restart on failure ensuring idempotency.", "solution": "[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0012"} {"problem": "Implement create a systemd timer that runs a backup script daily at 2:30 am ensuring idempotency.", "solution": "[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0013"} {"problem": "Create write a systemd path unit that triggers a service when a config file changes ensuring idempotency.", "solution": "# Variation 14\n[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0014"} {"problem": "Build write a multi-stage dockerfile for python fastapi ensuring idempotency.", "solution": "FROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0015"} {"problem": "Configure create a docker-compose.yml with web, postgres, and redis ensuring idempotency.", "solution": "version: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0016"} {"problem": "Set up write a dockerfile for node.js production ensuring idempotency.", "solution": "FROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0017"} {"problem": "Write code to create a docker network for app isolation with logging.", "solution": "docker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0018"} {"problem": "Implement write an ssh config for two host groups with logging.", "solution": "Host prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0019"} {"problem": "Create create bash function for ssh tunnel forwarding postgresql port with logging.", "solution": "ssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0020"} {"problem": "Build write a script that distributes ssh key to multiple servers with logging.", "solution": "# Variation 21\nfor s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0021"} {"problem": "Configure configure ssh to use a jump host for internal servers with logging.", "solution": "Host internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0022"} {"problem": "Set up write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates with logging.", "solution": "#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0023"} {"problem": "Write code to create a terraform config for a digitalocean droplet (2gb) with ssh key for production.", "solution": "terraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0024"} {"problem": "Implement write an ansible playbook to install packages and start nginx for production.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0025"} {"problem": "Create bash script: create deploy user, install docker, harden ssh for production.", "solution": "#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0026"} {"problem": "Build write a systemd drop-in to override service restart settings for production.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0027"} {"problem": "Configure create a logrotate config for application logs for production.", "solution": "# Variation 28\n/var/log/app/*.log { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0028"} {"problem": "Set up write a shell function that waits for a tcp port to become available on a remote host for production.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0029"} {"problem": "Write code to implement a script that sets up a python virtualenv with error handling.", "solution": "python3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0030"} {"problem": "Implement write nginx server block that serves static site and redirects http to https with error handling.", "solution": "server {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0031"} {"problem": "Create configure nginx as reverse proxy to backend on port 3000 with error handling.", "solution": "upstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0032"} {"problem": "Build write nginx rate limiting configuration for /api/ endpoint with error handling.", "solution": "limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0033"} {"problem": "Configure create nginx config snippet that adds hsts and csp headers with error handling.", "solution": "add_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0034"} {"problem": "Set up write a systemd service unit for a python app as non-root, restart on failure with error handling.", "solution": "# Variation 35\n[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0035"} {"problem": "Write code to create a systemd timer that runs a backup script daily at 2:30 am using best practices.", "solution": "[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0036"} {"problem": "Implement write a systemd path unit that triggers a service when a config file changes using best practices.", "solution": "[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0037"} {"problem": "Create write a multi-stage dockerfile for python fastapi using best practices.", "solution": "FROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0038"} {"problem": "Build create a docker-compose.yml with web, postgres, and redis using best practices.", "solution": "version: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0039"} {"problem": "Configure write a dockerfile for node.js production using best practices.", "solution": "FROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0040"} {"problem": "Set up create a docker network for app isolation using best practices.", "solution": "docker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0041"} {"problem": "Write code to write an ssh config for two host groups ensuring idempotency.", "solution": "# Variation 42\nHost prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0042"} {"problem": "Implement create bash function for ssh tunnel forwarding postgresql port ensuring idempotency.", "solution": "ssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0043"} {"problem": "Create write a script that distributes ssh key to multiple servers ensuring idempotency.", "solution": "for s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0044"} {"problem": "Build configure ssh to use a jump host for internal servers ensuring idempotency.", "solution": "Host internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0045"} {"problem": "Configure write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates ensuring idempotency.", "solution": "#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0046"} {"problem": "Set up create a terraform config for a digitalocean droplet (2gb) with ssh key ensuring idempotency.", "solution": "terraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0047"} {"problem": "Write code to write an ansible playbook to install packages and start nginx with logging.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0048"} {"problem": "Implement bash script: create deploy user, install docker, harden ssh with logging.", "solution": "# Variation 49\n#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0049"} {"problem": "Create write a systemd drop-in to override service restart settings with logging.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0050"} {"problem": "Build create a logrotate config for application logs with logging.", "solution": "/var/log_msg/app/*.log_msg { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0051"} {"problem": "Configure write a shell function that waits for a tcp port to become available on a remote host with logging.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0052"} {"problem": "Set up implement a script that sets up a python virtualenv with logging.", "solution": "python3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0053"} {"problem": "Write code to write nginx server block that serves static site and redirects http to https for production.", "solution": "server {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0054"} {"problem": "Implement configure nginx as reverse proxy to backend on port 3000 for production.", "solution": "upstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0055"} {"problem": "Create write nginx rate limiting configuration for /api/ endpoint for production.", "solution": "# Variation 56\nlimit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0056"} {"problem": "Build create nginx config snippet that adds hsts and csp headers for production.", "solution": "add_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0057"} {"problem": "Configure write a systemd service unit for a python app as non-root, restart on failure for production.", "solution": "[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0058"} {"problem": "Set up create a systemd timer that runs a backup script daily at 2:30 am for production.", "solution": "[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0059"} {"problem": "Write code to write a systemd path unit that triggers a service when a config file changes with error handling.", "solution": "[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0060"} {"problem": "Implement write a multi-stage dockerfile for python fastapi with error handling.", "solution": "FROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0061"} {"problem": "Create create a docker-compose.yml with web, postgres, and redis with error handling.", "solution": "version: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0062"} {"problem": "Build write a dockerfile for node.js production with error handling.", "solution": "# Variation 63\nFROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0063"} {"problem": "Configure create a docker network for app isolation with error handling.", "solution": "docker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0064"} {"problem": "Set up write an ssh config for two host groups with error handling.", "solution": "Host prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0065"} {"problem": "Write code to create bash function for ssh tunnel forwarding postgresql port using best practices.", "solution": "ssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0066"} {"problem": "Implement write a script that distributes ssh key to multiple servers using best practices.", "solution": "for s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0067"} {"problem": "Create configure ssh to use a jump host for internal servers using best practices.", "solution": "Host internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0068"} {"problem": "Build write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates using best practices.", "solution": "#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0069"} {"problem": "Configure create a terraform config for a digitalocean droplet (2gb) with ssh key using best practices.", "solution": "# Variation 70\nterraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0070"} {"problem": "Set up write an ansible playbook to install packages and start nginx using best practices.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0071"} {"problem": "Write code to bash script: create deploy user, install docker, harden ssh ensuring idempotency.", "solution": "#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0072"} {"problem": "Implement write a systemd drop-in to override service restart settings ensuring idempotency.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0073"} {"problem": "Create create a logrotate config for application logs ensuring idempotency.", "solution": "/var/log/app/*.log { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0074"} {"problem": "Build write a shell function that waits for a tcp port to become available on a remote host ensuring idempotency.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0075"} {"problem": "Configure implement a script that sets up a python virtualenv ensuring idempotency.", "solution": "python3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0076"} {"problem": "Set up write nginx server block that serves static site and redirects http to https ensuring idempotency.", "solution": "# Variation 77\nserver {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0077"} {"problem": "Write code to configure nginx as reverse proxy to backend on port 3000 with logging.", "solution": "upstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0078"} {"problem": "Implement write nginx rate limiting configuration for /api/ endpoint with logging.", "solution": "limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0079"} {"problem": "Create create nginx config snippet that adds hsts and csp headers with logging.", "solution": "add_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0080"} {"problem": "Build write a systemd service unit for a python app as non-root, restart on failure with logging.", "solution": "[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0081"} {"problem": "Configure create a systemd timer that runs a backup script daily at 2:30 am with logging.", "solution": "[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0082"} {"problem": "Set up write a systemd path unit that triggers a service when a config file changes with logging.", "solution": "[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0083"} {"problem": "Write code to write a multi-stage dockerfile for python fastapi for production.", "solution": "# Variation 84\nFROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0084"} {"problem": "Implement create a docker-compose.yml with web, postgres, and redis for production.", "solution": "version: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0085"} {"problem": "Create write a dockerfile for node.js production for production.", "solution": "FROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0086"} {"problem": "Build create a docker network for app isolation for production.", "solution": "docker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0087"} {"problem": "Configure write an ssh config for two host groups for production.", "solution": "Host prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0088"} {"problem": "Set up create bash function for ssh tunnel forwarding postgresql port for production.", "solution": "ssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0089"} {"problem": "Write code to write a script that distributes ssh key to multiple servers with error handling.", "solution": "for s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0090"} {"problem": "Implement configure ssh to use a jump host for internal servers with error handling.", "solution": "# Variation 91\nHost internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0091"} {"problem": "Create write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates with error handling.", "solution": "#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0092"} {"problem": "Build create a terraform config for a digitalocean droplet (2gb) with ssh key with error handling.", "solution": "terraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0093"} {"problem": "Configure write an ansible playbook to install packages and start nginx with error handling.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0094"} {"problem": "Set up bash script: create deploy user, install docker, harden ssh with error handling.", "solution": "#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0095"} {"problem": "Write code to write a systemd drop-in to override service restart settings using best practices.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0096"} {"problem": "Implement create a logrotate config for application logs using best practices.", "solution": "/var/log/app/*.log { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0097"} {"problem": "Create write a shell function that waits for a tcp port to become available on a remote host using best practices.", "solution": "# Variation 98\nwait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0098"} {"problem": "Build implement a script that sets up a python virtualenv using best practices.", "solution": "python3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0099"} {"problem": "Configure write nginx server block that serves static site and redirects http to https using best practices.", "solution": "server {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0100"} {"problem": "Set up configure nginx as reverse proxy to backend on port 3000 using best practices.", "solution": "upstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0101"} {"problem": "Write code to write nginx rate limiting configuration for /api/ endpoint ensuring idempotency.", "solution": "limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0102"} {"problem": "Implement create nginx config snippet that adds hsts and csp headers ensuring idempotency.", "solution": "add_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0103"} {"problem": "Create write a systemd service unit for a python app as non-root, restart on failure ensuring idempotency.", "solution": "[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0104"} {"problem": "Build create a systemd timer that runs a backup script daily at 2:30 am ensuring idempotency.", "solution": "# Variation 105\n[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0105"} {"problem": "Configure write a systemd path unit that triggers a service when a config file changes ensuring idempotency.", "solution": "[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0106"} {"problem": "Set up write a multi-stage dockerfile for python fastapi ensuring idempotency.", "solution": "FROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0107"} {"problem": "Write code to create a docker-compose.yml with web, postgres, and redis with logging.", "solution": "version: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0108"} {"problem": "Implement write a dockerfile for node.js production with logging.", "solution": "FROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0109"} {"problem": "Create create a docker network for app isolation with logging.", "solution": "docker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0110"} {"problem": "Build write an ssh config for two host groups with logging.", "solution": "Host prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0111"} {"problem": "Configure create bash function for ssh tunnel forwarding postgresql port with logging.", "solution": "# Variation 112\nssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0112"} {"problem": "Set up write a script that distributes ssh key to multiple servers with logging.", "solution": "for s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0113"} {"problem": "Write code to configure ssh to use a jump host for internal servers for production.", "solution": "Host internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0114"} {"problem": "Implement write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates for production.", "solution": "#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0115"} {"problem": "Create create a terraform config for a digitalocean droplet (2gb) with ssh key for production.", "solution": "terraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0116"} {"problem": "Build write an ansible playbook to install packages and start nginx for production.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0117"} {"problem": "Configure bash script: create deploy user, install docker, harden ssh for production.", "solution": "#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0118"} {"problem": "Set up write a systemd drop-in to override service restart settings for production.", "solution": "# Variation 119\n[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0119"} {"problem": "Write code to create a logrotate config for application logs with error handling.", "solution": "/var/log_msg/app/*.log_msg { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0120"} {"problem": "Implement write a shell function that waits for a tcp port to become available on a remote host with error handling.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0121"} {"problem": "Create implement a script that sets up a python virtualenv with error handling.", "solution": "python3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0122"} {"problem": "Build write nginx server block that serves static site and redirects http to https with error handling.", "solution": "server {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0123"} {"problem": "Configure configure nginx as reverse proxy to backend on port 3000 with error handling.", "solution": "upstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0124"} {"problem": "Set up write nginx rate limiting configuration for /api/ endpoint with error handling.", "solution": "limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0125"} {"problem": "Write code to create nginx config snippet that adds hsts and csp headers using best practices.", "solution": "# Variation 126\nadd_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0126"} {"problem": "Implement write a systemd service unit for a python app as non-root, restart on failure using best practices.", "solution": "[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0127"} {"problem": "Create create a systemd timer that runs a backup script daily at 2:30 am using best practices.", "solution": "[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0128"} {"problem": "Build write a systemd path unit that triggers a service when a config file changes using best practices.", "solution": "[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0129"} {"problem": "Configure write a multi-stage dockerfile for python fastapi using best practices.", "solution": "FROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0130"} {"problem": "Set up create a docker-compose.yml with web, postgres, and redis using best practices.", "solution": "version: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0131"} {"problem": "Write code to write a dockerfile for node.js production ensuring idempotency.", "solution": "FROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0132"} {"problem": "Implement create a docker network for app isolation ensuring idempotency.", "solution": "# Variation 133\ndocker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0133"} {"problem": "Create write an ssh config for two host groups ensuring idempotency.", "solution": "Host prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0134"} {"problem": "Build create bash function for ssh tunnel forwarding postgresql port ensuring idempotency.", "solution": "ssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0135"} {"problem": "Configure write a script that distributes ssh key to multiple servers ensuring idempotency.", "solution": "for s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0136"} {"problem": "Set up configure ssh to use a jump host for internal servers ensuring idempotency.", "solution": "Host internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0137"} {"problem": "Write code to write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates with logging.", "solution": "#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0138"} {"problem": "Implement create a terraform config for a digitalocean droplet (2gb) with ssh key with logging.", "solution": "terraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0139"} {"problem": "Create write an ansible playbook to install packages and start nginx with logging.", "solution": "# Variation 140\n---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0140"} {"problem": "Build bash script: create deploy user, install docker, harden ssh with logging.", "solution": "#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0141"} {"problem": "Configure write a systemd drop-in to override service restart settings with logging.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0142"} {"problem": "Set up create a logrotate config for application logs with logging.", "solution": "/var/log/app/*.log { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0143"} {"problem": "Write code to write a shell function that waits for a tcp port to become available on a remote host for production.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0144"} {"problem": "Implement implement a script that sets up a python virtualenv for production.", "solution": "python3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0145"} {"problem": "Create write nginx server block that serves static site and redirects http to https for production.", "solution": "server {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0146"} {"problem": "Build configure nginx as reverse proxy to backend on port 3000 for production.", "solution": "# Variation 147\nupstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0147"} {"problem": "Configure write nginx rate limiting configuration for /api/ endpoint for production.", "solution": "limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0148"} {"problem": "Set up create nginx config snippet that adds hsts and csp headers for production.", "solution": "add_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0149"} {"problem": "Write code to write a systemd service unit for a python app as non-root, restart on failure with error handling.", "solution": "[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0150"} {"problem": "Implement create a systemd timer that runs a backup script daily at 2:30 am with error handling.", "solution": "[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0151"} {"problem": "Create write a systemd path unit that triggers a service when a config file changes with error handling.", "solution": "[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0152"} {"problem": "Build write a multi-stage dockerfile for python fastapi with error handling.", "solution": "FROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0153"} {"problem": "Configure create a docker-compose.yml with web, postgres, and redis with error handling.", "solution": "# Variation 154\nversion: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0154"} {"problem": "Set up write a dockerfile for node.js production with error handling.", "solution": "FROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0155"} {"problem": "Write code to create a docker network for app isolation using best practices.", "solution": "docker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0156"} {"problem": "Implement write an ssh config for two host groups using best practices.", "solution": "Host prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0157"} {"problem": "Create create bash function for ssh tunnel forwarding postgresql port using best practices.", "solution": "ssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0158"} {"problem": "Build write a script that distributes ssh key to multiple servers using best practices.", "solution": "for s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0159"} {"problem": "Configure configure ssh to use a jump host for internal servers using best practices.", "solution": "Host internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0160"} {"problem": "Set up write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates using best practices.", "solution": "# Variation 161\n#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0161"} {"problem": "Write code to create a terraform config for a digitalocean droplet (2gb) with ssh key ensuring idempotency.", "solution": "terraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0162"} {"problem": "Implement write an ansible playbook to install packages and start nginx ensuring idempotency.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0163"} {"problem": "Create bash script: create deploy user, install docker, harden ssh ensuring idempotency.", "solution": "#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0164"} {"problem": "Build write a systemd drop-in to override service restart settings ensuring idempotency.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0165"} {"problem": "Configure create a logrotate config for application logs ensuring idempotency.", "solution": "/var/log/app/*.log { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0166"} {"problem": "Set up write a shell function that waits for a tcp port to become available on a remote host ensuring idempotency.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0167"} {"problem": "Write code to implement a script that sets up a python virtualenv with logging.", "solution": "# Variation 168\npython3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0168"} {"problem": "Implement write nginx server block that serves static site and redirects http to https with logging.", "solution": "server {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0169"} {"problem": "Create configure nginx as reverse proxy to backend on port 3000 with logging.", "solution": "upstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0170"} {"problem": "Build write nginx rate limiting configuration for /api/ endpoint with logging.", "solution": "limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0171"} {"problem": "Configure create nginx config snippet that adds hsts and csp headers with logging.", "solution": "add_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0172"} {"problem": "Set up write a systemd service unit for a python app as non-root, restart on failure with logging.", "solution": "[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0173"} {"problem": "Write code to create a systemd timer that runs a backup script daily at 2:30 am for production.", "solution": "[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0174"} {"problem": "Implement write a systemd path unit that triggers a service when a config file changes for production.", "solution": "# Variation 175\n[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0175"} {"problem": "Create write a multi-stage dockerfile for python fastapi for production.", "solution": "FROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0176"} {"problem": "Build create a docker-compose.yml with web, postgres, and redis for production.", "solution": "version: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0177"} {"problem": "Configure write a dockerfile for node.js production for production.", "solution": "FROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0178"} {"problem": "Set up create a docker network for app isolation for production.", "solution": "docker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0179"} {"problem": "Write code to write an ssh config for two host groups with error handling.", "solution": "Host prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0180"} {"problem": "Implement create bash function for ssh tunnel forwarding postgresql port with error handling.", "solution": "ssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0181"} {"problem": "Create write a script that distributes ssh key to multiple servers with error handling.", "solution": "# Variation 182\nfor s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0182"} {"problem": "Build configure ssh to use a jump host for internal servers with error handling.", "solution": "Host internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0183"} {"problem": "Configure write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates with error handling.", "solution": "#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0184"} {"problem": "Set up create a terraform config for a digitalocean droplet (2gb) with ssh key with error handling.", "solution": "terraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0185"} {"problem": "Write code to write an ansible playbook to install packages and start nginx using best practices.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0186"} {"problem": "Implement bash script: create deploy user, install docker, harden ssh using best practices.", "solution": "#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0187"} {"problem": "Create write a systemd drop-in to override service restart settings using best practices.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0188"} {"problem": "Build create a logrotate config for application logs using best practices.", "solution": "# Variation 189\n/var/log_msg/app/*.log_msg { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0189"} {"problem": "Configure write a shell function that waits for a tcp port to become available on a remote host using best practices.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0190"} {"problem": "Set up implement a script that sets up a python virtualenv using best practices.", "solution": "python3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0191"} {"problem": "Write code to write nginx server block that serves static site and redirects http to https ensuring idempotency.", "solution": "server {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0192"} {"problem": "Implement configure nginx as reverse proxy to backend on port 3000 ensuring idempotency.", "solution": "upstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0193"} {"problem": "Create write nginx rate limiting configuration for /api/ endpoint ensuring idempotency.", "solution": "limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0194"} {"problem": "Build create nginx config snippet that adds hsts and csp headers ensuring idempotency.", "solution": "add_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0195"} {"problem": "Configure write a systemd service unit for a python app as non-root, restart on failure ensuring idempotency.", "solution": "# Variation 196\n[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0196"} {"problem": "Set up create a systemd timer that runs a backup script daily at 2:30 am ensuring idempotency.", "solution": "[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0197"} {"problem": "Write code to write a systemd path unit that triggers a service when a config file changes with logging.", "solution": "[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0198"} {"problem": "Implement write a multi-stage dockerfile for python fastapi with logging.", "solution": "FROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0199"} {"problem": "Create create a docker-compose.yml with web, postgres, and redis with logging.", "solution": "version: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0200"} {"problem": "Build write a dockerfile for node.js production with logging.", "solution": "FROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0201"} {"problem": "Configure create a docker network for app isolation with logging.", "solution": "docker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0202"} {"problem": "Set up write an ssh config for two host groups with logging.", "solution": "# Variation 203\nHost prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0203"} {"problem": "Write code to create bash function for ssh tunnel forwarding postgresql port for production.", "solution": "ssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0204"} {"problem": "Implement write a script that distributes ssh key to multiple servers for production.", "solution": "for s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0205"} {"problem": "Create configure ssh to use a jump host for internal servers for production.", "solution": "Host internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0206"} {"problem": "Build write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates for production.", "solution": "#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0207"} {"problem": "Configure create a terraform config for a digitalocean droplet (2gb) with ssh key for production.", "solution": "terraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0208"} {"problem": "Set up write an ansible playbook to install packages and start nginx for production.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0209"} {"problem": "Write code to bash script: create deploy user, install docker, harden ssh with error handling.", "solution": "# Variation 210\n#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0210"} {"problem": "Implement write a systemd drop-in to override service restart settings with error handling.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0211"} {"problem": "Create create a logrotate config for application logs with error handling.", "solution": "/var/log/app/*.log { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0212"} {"problem": "Build write a shell function that waits for a tcp port to become available on a remote host with error handling.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0213"} {"problem": "Configure implement a script that sets up a python virtualenv with error handling.", "solution": "python3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0214"} {"problem": "Set up write nginx server block that serves static site and redirects http to https with error handling.", "solution": "server {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0215"} {"problem": "Write code to configure nginx as reverse proxy to backend on port 3000 using best practices.", "solution": "upstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0216"} {"problem": "Implement write nginx rate limiting configuration for /api/ endpoint using best practices.", "solution": "# Variation 217\nlimit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0217"} {"problem": "Create create nginx config snippet that adds hsts and csp headers using best practices.", "solution": "add_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0218"} {"problem": "Build write a systemd service unit for a python app as non-root, restart on failure using best practices.", "solution": "[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0219"} {"problem": "Configure create a systemd timer that runs a backup script daily at 2:30 am using best practices.", "solution": "[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0220"} {"problem": "Set up write a systemd path unit that triggers a service when a config file changes using best practices.", "solution": "[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0221"} {"problem": "Write code to write a multi-stage dockerfile for python fastapi ensuring idempotency.", "solution": "FROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0222"} {"problem": "Implement create a docker-compose.yml with web, postgres, and redis ensuring idempotency.", "solution": "version: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0223"} {"problem": "Create write a dockerfile for node.js production ensuring idempotency.", "solution": "# Variation 224\nFROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0224"} {"problem": "Build create a docker network for app isolation ensuring idempotency.", "solution": "docker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0225"} {"problem": "Configure write an ssh config for two host groups ensuring idempotency.", "solution": "Host prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0226"} {"problem": "Set up create bash function for ssh tunnel forwarding postgresql port ensuring idempotency.", "solution": "ssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0227"} {"problem": "Write code to write a script that distributes ssh key to multiple servers with logging.", "solution": "for s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0228"} {"problem": "Implement configure ssh to use a jump host for internal servers with logging.", "solution": "Host internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0229"} {"problem": "Create write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates with logging.", "solution": "#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0230"} {"problem": "Build create a terraform config for a digitalocean droplet (2gb) with ssh key with logging.", "solution": "# Variation 231\nterraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0231"} {"problem": "Configure write an ansible playbook to install packages and start nginx with logging.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0232"} {"problem": "Set up bash script: create deploy user, install docker, harden ssh with logging.", "solution": "#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0233"} {"problem": "Write code to write a systemd drop-in to override service restart settings for production.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0234"} {"problem": "Implement create a logrotate config for application logs for production.", "solution": "/var/log/app/*.log { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0235"} {"problem": "Create write a shell function that waits for a tcp port to become available on a remote host for production.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0236"} {"problem": "Build implement a script that sets up a python virtualenv for production.", "solution": "python3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0237"} {"problem": "Configure write nginx server block that serves static site and redirects http to https for production.", "solution": "# Variation 238\nserver {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0238"} {"problem": "Set up configure nginx as reverse proxy to backend on port 3000 for production.", "solution": "upstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0239"} {"problem": "Write code to write nginx rate limiting configuration for /api/ endpoint with error handling.", "solution": "limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0240"} {"problem": "Implement create nginx config snippet that adds hsts and csp headers with error handling.", "solution": "add_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0241"} {"problem": "Create write a systemd service unit for a python app as non-root, restart on failure with error handling.", "solution": "[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0242"} {"problem": "Build create a systemd timer that runs a backup script daily at 2:30 am with error handling.", "solution": "[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0243"} {"problem": "Configure write a systemd path unit that triggers a service when a config file changes with error handling.", "solution": "[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0244"} {"problem": "Set up write a multi-stage dockerfile for python fastapi with error handling.", "solution": "# Variation 245\nFROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0245"} {"problem": "Write code to create a docker-compose.yml with web, postgres, and redis using best practices.", "solution": "version: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0246"} {"problem": "Implement write a dockerfile for node.js production using best practices.", "solution": "FROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0247"} {"problem": "Create create a docker network for app isolation using best practices.", "solution": "docker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0248"} {"problem": "Build write an ssh config for two host groups using best practices.", "solution": "Host prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0249"} {"problem": "Configure create bash function for ssh tunnel forwarding postgresql port using best practices.", "solution": "ssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0250"} {"problem": "Set up write a script that distributes ssh key to multiple servers using best practices.", "solution": "for s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0251"} {"problem": "Write code to configure ssh to use a jump host for internal servers ensuring idempotency.", "solution": "# Variation 252\nHost internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0252"} {"problem": "Implement write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates ensuring idempotency.", "solution": "#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0253"} {"problem": "Create create a terraform config for a digitalocean droplet (2gb) with ssh key ensuring idempotency.", "solution": "terraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0254"} {"problem": "Build write an ansible playbook to install packages and start nginx ensuring idempotency.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0255"} {"problem": "Configure bash script: create deploy user, install docker, harden ssh ensuring idempotency.", "solution": "#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0256"} {"problem": "Set up write a systemd drop-in to override service restart settings ensuring idempotency.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0257"} {"problem": "Write code to create a logrotate config for application logs with logging.", "solution": "/var/log_msg/app/*.log_msg { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0258"} {"problem": "Implement write a shell function that waits for a tcp port to become available on a remote host with logging.", "solution": "# Variation 259\nwait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0259"} {"problem": "Create implement a script that sets up a python virtualenv with logging.", "solution": "python3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0260"} {"problem": "Build write nginx server block that serves static site and redirects http to https with logging.", "solution": "server {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0261"} {"problem": "Configure configure nginx as reverse proxy to backend on port 3000 with logging.", "solution": "upstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0262"} {"problem": "Set up write nginx rate limiting configuration for /api/ endpoint with logging.", "solution": "limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0263"} {"problem": "Write code to create nginx config snippet that adds hsts and csp headers for production.", "solution": "add_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0264"} {"problem": "Implement write a systemd service unit for a python app as non-root, restart on failure for production.", "solution": "[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0265"} {"problem": "Create create a systemd timer that runs a backup script daily at 2:30 am for production.", "solution": "# Variation 266\n[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0266"} {"problem": "Build write a systemd path unit that triggers a service when a config file changes for production.", "solution": "[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0267"} {"problem": "Configure write a multi-stage dockerfile for python fastapi for production.", "solution": "FROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0268"} {"problem": "Set up create a docker-compose.yml with web, postgres, and redis for production.", "solution": "version: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0269"} {"problem": "Write code to write a dockerfile for node.js production with error handling.", "solution": "FROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0270"} {"problem": "Implement create a docker network for app isolation with error handling.", "solution": "docker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0271"} {"problem": "Create write an ssh config for two host groups with error handling.", "solution": "Host prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0272"} {"problem": "Build create bash function for ssh tunnel forwarding postgresql port with error handling.", "solution": "# Variation 273\nssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0273"} {"problem": "Configure write a script that distributes ssh key to multiple servers with error handling.", "solution": "for s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0274"} {"problem": "Set up configure ssh to use a jump host for internal servers with error handling.", "solution": "Host internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0275"} {"problem": "Write code to write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates using best practices.", "solution": "#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0276"} {"problem": "Implement create a terraform config for a digitalocean droplet (2gb) with ssh key using best practices.", "solution": "terraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0277"} {"problem": "Create write an ansible playbook to install packages and start nginx using best practices.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0278"} {"problem": "Build bash script: create deploy user, install docker, harden ssh using best practices.", "solution": "#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0279"} {"problem": "Configure write a systemd drop-in to override service restart settings using best practices.", "solution": "# Variation 280\n[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0280"} {"problem": "Set up create a logrotate config for application logs using best practices.", "solution": "/var/log/app/*.log { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0281"} {"problem": "Write code to write a shell function that waits for a tcp port to become available on a remote host ensuring idempotency.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0282"} {"problem": "Implement implement a script that sets up a python virtualenv ensuring idempotency.", "solution": "python3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0283"} {"problem": "Create write nginx server block that serves static site and redirects http to https ensuring idempotency.", "solution": "server {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0284"} {"problem": "Build configure nginx as reverse proxy to backend on port 3000 ensuring idempotency.", "solution": "upstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0285"} {"problem": "Configure write nginx rate limiting configuration for /api/ endpoint ensuring idempotency.", "solution": "limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0286"} {"problem": "Set up create nginx config snippet that adds hsts and csp headers ensuring idempotency.", "solution": "# Variation 287\nadd_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0287"} {"problem": "Write code to write a systemd service unit for a python app as non-root, restart on failure with logging.", "solution": "[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0288"} {"problem": "Implement create a systemd timer that runs a backup script daily at 2:30 am with logging.", "solution": "[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0289"} {"problem": "Create write a systemd path unit that triggers a service when a config file changes with logging.", "solution": "[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0290"} {"problem": "Build write a multi-stage dockerfile for python fastapi with logging.", "solution": "FROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0291"} {"problem": "Configure create a docker-compose.yml with web, postgres, and redis with logging.", "solution": "version: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0292"} {"problem": "Set up write a dockerfile for node.js production with logging.", "solution": "FROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0293"} {"problem": "Write code to create a docker network for app isolation for production.", "solution": "# Variation 294\ndocker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0294"} {"problem": "Implement write an ssh config for two host groups for production.", "solution": "Host prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0295"} {"problem": "Create create bash function for ssh tunnel forwarding postgresql port for production.", "solution": "ssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0296"} {"problem": "Build write a script that distributes ssh key to multiple servers for production.", "solution": "for s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0297"} {"problem": "Configure configure ssh to use a jump host for internal servers for production.", "solution": "Host internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0298"} {"problem": "Set up write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates for production.", "solution": "#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0299"} {"problem": "Write code to create a terraform config for a digitalocean droplet (2gb) with ssh key with error handling.", "solution": "terraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0300"} {"problem": "Implement write an ansible playbook to install packages and start nginx with error handling.", "solution": "# Variation 301\n---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0301"} {"problem": "Create bash script: create deploy user, install docker, harden ssh with error handling.", "solution": "#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0302"} {"problem": "Build write a systemd drop-in to override service restart settings with error handling.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0303"} {"problem": "Configure create a logrotate config for application logs with error handling.", "solution": "/var/log/app/*.log { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0304"} {"problem": "Set up write a shell function that waits for a tcp port to become available on a remote host with error handling.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0305"} {"problem": "Write code to implement a script that sets up a python virtualenv using best practices.", "solution": "python3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0306"} {"problem": "Implement write nginx server block that serves static site and redirects http to https using best practices.", "solution": "server {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0307"} {"problem": "Create configure nginx as reverse proxy to backend on port 3000 using best practices.", "solution": "# Variation 308\nupstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0308"} {"problem": "Build write nginx rate limiting configuration for /api/ endpoint using best practices.", "solution": "limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0309"} {"problem": "Configure create nginx config snippet that adds hsts and csp headers using best practices.", "solution": "add_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0310"} {"problem": "Set up write a systemd service unit for a python app as non-root, restart on failure using best practices.", "solution": "[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0311"} {"problem": "Write code to create a systemd timer that runs a backup script daily at 2:30 am ensuring idempotency.", "solution": "[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0312"} {"problem": "Implement write a systemd path unit that triggers a service when a config file changes ensuring idempotency.", "solution": "[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0313"} {"problem": "Create write a multi-stage dockerfile for python fastapi ensuring idempotency.", "solution": "FROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0314"} {"problem": "Build create a docker-compose.yml with web, postgres, and redis ensuring idempotency.", "solution": "# Variation 315\nversion: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0315"} {"problem": "Configure write a dockerfile for node.js production ensuring idempotency.", "solution": "FROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0316"} {"problem": "Set up create a docker network for app isolation ensuring idempotency.", "solution": "docker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0317"} {"problem": "Write code to write an ssh config for two host groups with logging.", "solution": "Host prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0318"} {"problem": "Implement create bash function for ssh tunnel forwarding postgresql port with logging.", "solution": "ssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0319"} {"problem": "Create write a script that distributes ssh key to multiple servers with logging.", "solution": "for s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0320"} {"problem": "Build configure ssh to use a jump host for internal servers with logging.", "solution": "Host internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0321"} {"problem": "Configure write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates with logging.", "solution": "# Variation 322\n#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0322"} {"problem": "Set up create a terraform config for a digitalocean droplet (2gb) with ssh key with logging.", "solution": "terraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0323"} {"problem": "Write code to write an ansible playbook to install packages and start nginx for production.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0324"} {"problem": "Implement bash script: create deploy user, install docker, harden ssh for production.", "solution": "#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0325"} {"problem": "Create write a systemd drop-in to override service restart settings for production.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0326"} {"problem": "Build create a logrotate config for application logs for production.", "solution": "/var/log_msg/app/*.log_msg { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0327"} {"problem": "Configure write a shell function that waits for a tcp port to become available on a remote host for production.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0328"} {"problem": "Set up implement a script that sets up a python virtualenv for production.", "solution": "# Variation 329\npython3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0329"} {"problem": "Write code to write nginx server block that serves static site and redirects http to https with error handling.", "solution": "server {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0330"} {"problem": "Implement configure nginx as reverse proxy to backend on port 3000 with error handling.", "solution": "upstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0331"} {"problem": "Create write nginx rate limiting configuration for /api/ endpoint with error handling.", "solution": "limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0332"} {"problem": "Build create nginx config snippet that adds hsts and csp headers with error handling.", "solution": "add_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0333"} {"problem": "Configure write a systemd service unit for a python app as non-root, restart on failure with error handling.", "solution": "[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0334"} {"problem": "Set up create a systemd timer that runs a backup script daily at 2:30 am with error handling.", "solution": "[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0335"} {"problem": "Write code to write a systemd path unit that triggers a service when a config file changes using best practices.", "solution": "# Variation 336\n[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0336"} {"problem": "Implement write a multi-stage dockerfile for python fastapi using best practices.", "solution": "FROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0337"} {"problem": "Create create a docker-compose.yml with web, postgres, and redis using best practices.", "solution": "version: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0338"} {"problem": "Build write a dockerfile for node.js production using best practices.", "solution": "FROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0339"} {"problem": "Configure create a docker network for app isolation using best practices.", "solution": "docker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0340"} {"problem": "Set up write an ssh config for two host groups using best practices.", "solution": "Host prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0341"} {"problem": "Write code to create bash function for ssh tunnel forwarding postgresql port ensuring idempotency.", "solution": "ssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0342"} {"problem": "Implement write a script that distributes ssh key to multiple servers ensuring idempotency.", "solution": "# Variation 343\nfor s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0343"} {"problem": "Create configure ssh to use a jump host for internal servers ensuring idempotency.", "solution": "Host internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0344"} {"problem": "Build write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates ensuring idempotency.", "solution": "#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0345"} {"problem": "Configure create a terraform config for a digitalocean droplet (2gb) with ssh key ensuring idempotency.", "solution": "terraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0346"} {"problem": "Set up write an ansible playbook to install packages and start nginx ensuring idempotency.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0347"} {"problem": "Write code to bash script: create deploy user, install docker, harden ssh with logging.", "solution": "#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0348"} {"problem": "Implement write a systemd drop-in to override service restart settings with logging.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0349"} {"problem": "Create create a logrotate config for application logs with logging.", "solution": "# Variation 350\n/var/log/app/*.log { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0350"} {"problem": "Build write a shell function that waits for a tcp port to become available on a remote host with logging.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0351"} {"problem": "Configure implement a script that sets up a python virtualenv with logging.", "solution": "python3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0352"} {"problem": "Set up write nginx server block that serves static site and redirects http to https with logging.", "solution": "server {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0353"} {"problem": "Write code to configure nginx as reverse proxy to backend on port 3000 for production.", "solution": "upstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0354"} {"problem": "Implement write nginx rate limiting configuration for /api/ endpoint for production.", "solution": "limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0355"} {"problem": "Create create nginx config snippet that adds hsts and csp headers for production.", "solution": "add_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0356"} {"problem": "Build write a systemd service unit for a python app as non-root, restart on failure for production.", "solution": "# Variation 357\n[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0357"} {"problem": "Configure create a systemd timer that runs a backup script daily at 2:30 am for production.", "solution": "[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0358"} {"problem": "Set up write a systemd path unit that triggers a service when a config file changes for production.", "solution": "[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0359"} {"problem": "Write code to write a multi-stage dockerfile for python fastapi with error handling.", "solution": "FROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0360"} {"problem": "Implement create a docker-compose.yml with web, postgres, and redis with error handling.", "solution": "version: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0361"} {"problem": "Create write a dockerfile for node.js production with error handling.", "solution": "FROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0362"} {"problem": "Build create a docker network for app isolation with error handling.", "solution": "docker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0363"} {"problem": "Configure write an ssh config for two host groups with error handling.", "solution": "# Variation 364\nHost prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0364"} {"problem": "Set up create bash function for ssh tunnel forwarding postgresql port with error handling.", "solution": "ssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0365"} {"problem": "Write code to write a script that distributes ssh key to multiple servers using best practices.", "solution": "for s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0366"} {"problem": "Implement configure ssh to use a jump host for internal servers using best practices.", "solution": "Host internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0367"} {"problem": "Create write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates using best practices.", "solution": "#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0368"} {"problem": "Build create a terraform config for a digitalocean droplet (2gb) with ssh key using best practices.", "solution": "terraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0369"} {"problem": "Configure write an ansible playbook to install packages and start nginx using best practices.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0370"} {"problem": "Set up bash script: create deploy user, install docker, harden ssh using best practices.", "solution": "# Variation 371\n#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0371"} {"problem": "Write code to write a systemd drop-in to override service restart settings ensuring idempotency.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0372"} {"problem": "Implement create a logrotate config for application logs ensuring idempotency.", "solution": "/var/log/app/*.log { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0373"} {"problem": "Create write a shell function that waits for a tcp port to become available on a remote host ensuring idempotency.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0374"} {"problem": "Build implement a script that sets up a python virtualenv ensuring idempotency.", "solution": "python3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0375"} {"problem": "Configure write nginx server block that serves static site and redirects http to https ensuring idempotency.", "solution": "server {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0376"} {"problem": "Set up configure nginx as reverse proxy to backend on port 3000 ensuring idempotency.", "solution": "upstream app { server 127.0.0.1:3000; }\nserver {\n listen 80; server_name app.example.com;\n location / {\n proxy_pass http:app;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0377"} {"problem": "Write code to write nginx rate limiting configuration for /api/ endpoint with logging.", "solution": "# Variation 378\nlimit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;\nserver {\n location /api/ { limit_req zone=api burst=20 nodelay; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0378"} {"problem": "Implement create nginx config snippet that adds hsts and csp headers with logging.", "solution": "add_header Strict-Transport-Security \"max-age=63072000\" always;\nadd_header Content-Security-Policy \"default-src 'self'\" always;", "imports": "", "domain": "nginx", "id": "deploy-infra-0379"} {"problem": "Create write a systemd service unit for a python app as non-root, restart on failure with logging.", "solution": "[Unit]\nDescription=My Python App\nAfter=network.target\n\n[Service]\nType=simple\nUser=deploy\nWorkingDirectory=/opt/app\nExecStart=/opt/app/venv/bin/gunicorn -w 4 -b 0.0.0.0:8000 app:app\nRestart=on-failure\nRestartSec=10\n\n[Install]\nWantedBy=multi-user.target", "imports": "", "domain": "systemd", "id": "deploy-infra-0380"} {"problem": "Build create a systemd timer that runs a backup script daily at 2:30 am with logging.", "solution": "[Timer]\nOnCalendar=*-*-* 02:30:00\nPersistent=true\nUnit=backup.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/backup.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0381"} {"problem": "Configure write a systemd path unit that triggers a service when a config file changes with logging.", "solution": "[Path]\nPathModified=/etc/app/config.yaml\nUnit=config-reload.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/bin/reload.sh", "imports": "", "domain": "systemd", "id": "deploy-infra-0382"} {"problem": "Set up write a multi-stage dockerfile for python fastapi with logging.", "solution": "FROM python:3.12-slim AS builder\nWORKDIR /app\nCOPY requirements.txt .\nRUN pip install --user --no-cache-dir -r requirements.txt\n\nFROM python:3.12-slim\nWORKDIR /app\nCOPY --from=builder /root/.local /root/.local\nCOPY . .\nCMD [\"uvicorn\", \"main:app\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0383"} {"problem": "Write code to create a docker-compose.yml with web, postgres, and redis for production.", "solution": "version: \"3.9\"\nservices:\n postgres: { image: postgres:15-alpine, environment: { POSTGRES_PASSWORD: \"secret\" }, volumes: [\"pgdata:/var/lib/postgresql/data\"] }\n redis: { image: redis:7-alpine }\n web: { build: ., ports: [\"8000:8000\"], depends_on: { postgres: {condition: service_healthy} } }\nvolumes: { pgdata: }", "imports": "", "domain": "docker", "id": "deploy-infra-0384"} {"problem": "Implement write a dockerfile for node.js production for production.", "solution": "# Variation 385\nFROM node:18-alpine AS builder\nWORKDIR /app\nCOPY package*.json .\nRUN npm ci --only=production\n\nFROM node:18-alpine\nENV NODE_ENV=production\nCOPY --from=builder /node_modules ./node_modules\nCOPY . .\nUSER nodejs\nCMD [\"node\", \"server.js\"]", "imports": "", "domain": "docker", "id": "deploy-infra-0385"} {"problem": "Create create a docker network for app isolation for production.", "solution": "docker network create --driver bridge --subnet 172.20.0.0/16 app-net\ndocker run -d --name db --network app-net postgres:15\ndocker run -d --name api --network app-net myapp:latest", "imports": "", "domain": "docker", "id": "deploy-infra-0386"} {"problem": "Build write an ssh config for two host groups for production.", "solution": "Host prod-*\n HostName %h.example.com\n User deploy\n IdentityFile ~/.ssh/id_rsa_prod\nHost dev-*\n HostName dev.example.com\n User dev\n IdentityFile ~/.ssh/id_rsa_dev", "imports": "", "domain": "ssh", "id": "deploy-infra-0387"} {"problem": "Configure create bash function for ssh tunnel forwarding postgresql port for production.", "solution": "ssh_postgres_tunnel() { ssh -fN -L \"${3:-55432}:localhost:${2:-5432}\" \"${1:-prod-db.example.com}\" -o ExitOnForwardFailure=yes; }", "imports": "", "domain": "ssh", "id": "deploy-infra-0388"} {"problem": "Set up write a script that distributes ssh key to multiple servers for production.", "solution": "for s in web01 web02 db01; do\n ssh-copy-id -i ~/.ssh/id_rsa.pub deploy@${s}.example.com 2>/dev/null && echo \"✓ $s\"\ndone", "imports": "", "domain": "ssh", "id": "deploy-infra-0389"} {"problem": "Write code to configure ssh to use a jump host for internal servers with error handling.", "solution": "Host internal-*\n ProxyJump jump.example.com\n HostName %h.internal.local", "imports": "", "domain": "ssh", "id": "deploy-infra-0390"} {"problem": "Implement write a cloud-init config that provisions ubuntu 22.04 with deploy user, ssh key auth, and auto updates with error handling.", "solution": "#cloud-config\nusers: [{name: deploy, groups: [sudo], shell: /bin/bash, ssh_authorized_keys: [ssh-rsa AAA...]}]\npackage_update: true\npackages: [ufw, fail2ban]", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0391"} {"problem": "Create create a terraform config for a digitalocean droplet (2gb) with ssh key with error handling.", "solution": "# Variation 392\nterraform { required_providers { digitalocean={source=\"digitalocean/digitalocean\",version=\"~>2.0\"} } }\nresource \"digitalocean_droplet\" \"web\" { name=\"web-01\"; region=\"nyc3\"; size=\"s-2vcpu-2gb\" }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0392"} {"problem": "Build write an ansible playbook to install packages and start nginx with error handling.", "solution": "---\n- hosts: all\n become: true\n tasks:\n - apt: name=[ufw,nginx] state=present\n - systemd: name=nginx enabled=true state=started", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0393"} {"problem": "Configure bash script: create deploy user, install docker, harden ssh with error handling.", "solution": "#!/usr/bin/env bash\nset -euo pipefail\nid -u deploy &>/dev/null || useradd -m -s /bin/bash deploy\n[[ -x $(command -v docker) ]] || curl -fsSL https://get.docker.com | sh\nsed -i 's/^PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0394"} {"problem": "Set up write a systemd drop-in to override service restart settings with error handling.", "solution": "[Service]\nRestart=always\nRestartSec=5", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0395"} {"problem": "Write code to create a logrotate config for application logs using best practices.", "solution": "/var/log_msg/app/*.log_msg { daily; rotate 7; compress; missingok }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0396"} {"problem": "Implement write a shell function that waits for a tcp port to become available on a remote host using best practices.", "solution": "wait_for_port() { local h=\"$1\" p=\"$2\"; while ! nc -z \"$h\" \"$p\"; do sleep 1; done; }", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0397"} {"problem": "Create implement a script that sets up a python virtualenv using best practices.", "solution": "python3 -m venv /opt/app/venv\nsource /opt/app/venv/bin/activate\npip install -r requirements.txt", "imports": "", "domain": "vps-provisioning", "id": "deploy-infra-0398"} {"problem": "Build write nginx server block that serves static site and redirects http to https using best practices.", "solution": "# Variation 399\nserver {\n listen 80; server_name example.com;\n return 301 https://$server_name$request_uri;\n}\nserver {\n listen 443 ssl http2; server_name example.com;\n ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;\n root /var/www/html;\n location / { try_files $uri $uri/ =404; }\n}", "imports": "", "domain": "nginx", "id": "deploy-infra-0399"}