services:
  game:
    build: .
    ports:
      - "8080:8080"
    restart: unless-stopped
    volumes:
      # background music: drop .mp3 files in ./music, no rebuild needed
      - ./music:/music:ro
    healthcheck:
      # distroless has no shell or curl, so the binary probes itself
      test: ["CMD", "/game", "-healthcheck"]
      interval: 30s
      timeout: 3s
      retries: 3