docker-compose.yml

version: '3.8'
networks:
  bitcoin_regtest:
    name: bitcoin_regtest
    driver: bridge
    ipam: 
      config:
        - subnet: 172.50.0.0/24

services:
  btc1:
    container_name: btc1
    image: ruimarinho/bitcoin-core:23
    restart: always
    ports:
       - 18442:18443
       - 18444
    networks:
      - bitcoin_regtest
    #volumes:
    #  - ./bitcoin/btc1:/home/bitcoin/.bitcoin
    command: [
      "-printtoconsole",
      "-regtest",
      "-listen",
      "-fallbackfee=0.0002",  # 20 sats per byte
      "-rpcallowip=172.50.0.0/24",
      "-rpcbind=btc1",
      "-rpcbind=127.0.0.1",
      "-rpcuser=turkycat",
      "-rpcpassword=hunter1",
    ]
  btc2:
    container_name: btc2
    image: ruimarinho/bitcoin-core:23
    depends_on:
      - btc1
    restart: always
    ports:
      - 18443:18443
      - 18444:18444
    networks:
      - bitcoin_regtest
    #volumes:
    #  - ./bitcoin/btc2:/home/bitcoin/.bitcoin
    command: [
      "-printtoconsole",
      "-regtest",
      "-txindex",
      "-listen",
      "-fallbackfee=0.0002",  # 20 sats per byte
      "-rpcallowip=172.50.0/24",
      "-rpcbind=btc2",
      "-rpcuser=turkycat",
      "-rpcpassword=hunter1",
      "-connect=btc1"
    ]
  fulcrum:
    container_name: fulcrum
    image: cculianu/fulcrum
    restart: always
    depends_on:
      - btc2
    ports:
      - 50001:50001
    networks:
      - bitcoin_regtest
    #volumes:
    #  - ./fulcrum:/data
    command: [
      "Fulcrum",
      "-t", "0.0.0.0:50001",
      "-b", "btc2:18443",
      "-u", "turkycat",
      "-p", "hunter1",
    ]