docker-compose.yml

# Default: single-node, embedded sled storage
#   docker compose up
#
# PostgreSQL mode (pg-sync, WAL replication):
#   docker compose --profile pg up

services:
  meridian:
    build:
      context: .
      args:
        FEATURES: ${MERIDIAN_FEATURES:-}
    ports:
      - "3000:3000"
    volumes:
      - meridian_data:/data
    environment:
      # Dev default key — override in production via .env or environment variable.
      # Generate a production key: openssl rand -hex 32
      MERIDIAN_SIGNING_KEY: ${MERIDIAN_SIGNING_KEY:-4242424242424242424242424242424242424242424242424242424242424242}
      MERIDIAN_NODE_ID: ${MERIDIAN_NODE_ID:-1}
      DATABASE_URL: ${DATABASE_URL:-}
      MERIDIAN_WAL_CONNSTR: ${MERIDIAN_WAL_CONNSTR:-}
      MERIDIAN_WAL_SLOT: ${MERIDIAN_WAL_SLOT:-meridian_wal}
      MERIDIAN_WAL_PUB: ${MERIDIAN_WAL_PUB:-meridian_pub}
    env_file:
      - path: .env
        required: false
    depends_on:
      postgres:
        condition: service_healthy
        required: false
    restart: unless-stopped

  postgres:
    profiles: [pg]
    image: postgres:17-alpine
    command: postgres -c wal_level=logical
    environment:
      POSTGRES_USER: meridian
      POSTGRES_PASSWORD: meridian
      POSTGRES_DB: meridian
    ports:
      - "5432:5432"
    volumes:
      - pg_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U meridian"]
      interval: 5s
      timeout: 5s
      retries: 10
    restart: unless-stopped

volumes:
  meridian_data:
  pg_data: