docker-compose.yml

# One documented public endpoint, persisted to PostgreSQL, read back by the app.
# The named volume is the point: stop everything, start it again, and the stored
# candles are still there to replay.
services:
  db:
    image: postgres:18-alpine
    environment:
      POSTGRES_DB: patternforge
      POSTGRES_USER: patternforge
      # SOURCE: local development credential only. Supply a real secret through
      # the environment before running this anywhere reachable.
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-patternforge}
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U patternforge -d patternforge"]
      # GUESS: UNCALIBRATED GUESS — startup allowance, not a measured boot time.
      interval: 5s
      timeout: 5s
      retries: 12
    volumes:
      - candles:/var/lib/postgresql/data
    # Bound to loopback so a development database is not exposed on the network.
    ports:
      - "127.0.0.1:5432:5432"

  ingest:
    build:
      context: .
      dockerfile: ingest/Dockerfile
    environment:
      DATABASE_URL: postgresql://patternforge:${POSTGRES_PASSWORD:-patternforge}@db:5432/patternforge
    # GUESS: UNCALIBRATED GUESS — a five-minute pass is well inside the shortest
    # stored interval. It is not a freshness guarantee.
    command: ["--every", "300", "--symbols", "BTC,ETH,SOL", "--intervals", "1h,4h,1d"]
    depends_on:
      db:
        condition: service_healthy
    restart: unless-stopped

  web:
    build:
      context: .
    environment:
      DATABASE_URL: postgresql://patternforge:${POSTGRES_PASSWORD:-patternforge}@db:5432/patternforge
    ports:
      - "127.0.0.1:3000:3000"
    depends_on:
      db:
        condition: service_healthy

volumes:
  candles: