services:

  bitcoin:
    # Bitcoin Knots — Luke Dashjr's fork of Core, stricter mempool policy
    # Image is unofficial but built from reproducible Knots binaries (bitcoinknots.org)
    # For max sovereignty: build from source and replace this image with your own
    # To swap implementations: change image + datadir volume path, nothing else
    image: bitcoinknots/bitcoin:29.3.knots20260210
    container_name: bitcoin
    restart: unless-stopped
    volumes:
      - bitcoin_data:/home/bitcoin/.bitcoin
    ports:
      - "8333:8333"
    networks:
      - node-net
    healthcheck:
      test: ["CMD", "bitcoin-cli", "-datadir=/home/bitcoin/.bitcoin", "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