compose.fulcrum.yml


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# Fulcrum for regtest — an Electrum server over WebSocket, matching what prod
# runs. Replaces the old electrs + ews bridge for Hal's realtime: it gets instant
# block/mempool pushes from bitcoind's ZMQ (see sampledata/bitcoin/bitcoin.conf
# zmqpubhashblock/hashtx) and serves them to the browser over the WS port.
# Config + datadir live under the gitignored data/ (seeded from sampledata by
# setup.sh). Start after the main stack (needs `bc`):
#   docker compose -f compose.fulcrum.yml up -d
services:
  fulcrum:
    image: coinos/fulcrum:latest
    container_name: fulcrum
    volumes:
      - ./data/fulcrum/fulcrum.conf:/etc/fulcrum/fulcrum.conf:ro
      - ./data/fulcrum/db:/data
    ports:
      - "50001:50001"   # Electrum TCP
      - "50003:50003"   # Electrum WebSocket (Hal connects here)
    restart: unless-stopped
networks:
  default:
    name: net
    external: true