Set up Bitcoin node and Lightning infrastructure with Docker

Create Docker Compose configuration, Bitcoin and LND configuration files, and bootstrap/init scripts for setting up a Bitcoin full node, LND, and LNbits on a Digital Ocean droplet.

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infrastructure/docker-compose.yml

@@ -0,0 +1,87 @@
+services:
+
+  bitcoin:
+    image: lncm/bitcoind:v27.0
+    container_name: bitcoin
+    restart: unless-stopped
+    volumes:
+      - bitcoin_data:/data/.bitcoin
+    ports:
+      - "8333:8333"
+    networks:
+      - node-net
+    healthcheck:
+      test: ["CMD", "bitcoin-cli", "-conf=/data/.bitcoin/bitcoin.conf", "getblockchaininfo"]
+      interval: 60s
+      timeout: 10s
+      retries: 5
+      start_period: 30s
+
+  lnd:
+    image: lightningnetwork/lnd:v0.18.3-beta
+    container_name: lnd
+    restart: unless-stopped
+    depends_on:
+      bitcoin:
+        condition: service_healthy
+    volumes:
+      - lnd_data:/root/.lnd
+    ports:
+      - "9735:9735"
+    networks:
+      - node-net
+    healthcheck:
+      test: ["CMD", "lncli", "--network=mainnet", "state"]
+      interval: 30s
+      timeout: 10s
+      retries: 10
+      start_period: 60s
+
+  lnbits:
+    image: lnbits/lnbits:latest
+    container_name: lnbits
+    restart: unless-stopped
+    depends_on:
+      lnd:
+        condition: service_started
+    ports:
+      - "127.0.0.1:5000:5000"
+    volumes:
+      - lnbits_data:/app/data
+      - lnd_data:/lnd:ro
+    environment:
+      - LNBITS_DATA_FOLDER=/app/data
+      - LNBITS_BACKEND_WALLET_CLASS=LndRestWallet
+      - LND_REST_ENDPOINT=https://lnd:8080
+      - LND_REST_CERT=/lnd/tls.cert
+      - LND_REST_MACAROON=/lnd/data/chain/bitcoin/mainnet/invoice.macaroon
+      - LNBITS_SITE_TITLE=Timmy Node
+      - LNBITS_SITE_TAGLINE=Lightning AI Agent Infrastructure
+      - UVICORN_HOST=0.0.0.0
+      - UVICORN_PORT=5000
+    networks:
+      - node-net
+
+networks:
+  node-net:
+    driver: bridge
+
+volumes:
+  bitcoin_data:
+    driver: local
+    driver_opts:
+      type: none
+      o: bind
+      device: /data/bitcoin
+  lnd_data:
+    driver: local
+    driver_opts:
+      type: none
+      o: bind
+      device: /data/lnd
+  lnbits_data:
+    driver: local
+    driver_opts:
+      type: none
+      o: bind
+      device: /data/lnbits