services:
  mysql:
    image: mysql:8
    environment:
      MYSQL_ROOT_PASSWORD: root
      MYSQL_DATABASE: inquiry
    # utf8mb4 + UTC(容器内 MySQL 一律按 UTC 存,应用层负责显示侧时区)
    command: >
      --max_allowed_packet=128M
      --character-set-server=utf8mb4
      --default-time-zone=+00:00
    volumes:
      - mysql_data:/var/lib/mysql
    healthcheck:
      test: ["CMD", "mysqladmin", "ping", "-h", "localhost", "-uroot", "-proot"]
      interval: 5s
      retries: 20
  backend:
    build: .
    environment:
      # timezone=Z 让 mysql2 driver 也按 UTC 解释时间,避免 JS Date 双重偏移
      DATABASE_URL: mysql://root:root@mysql:3306/inquiry?timezone=Z
      INGEST_TOKEN: dev-ingest-token-1234
      JWT_SECRET: dev-jwt-secret-1234
      ADMIN_USERNAME: admin
      ADMIN_PASSWORD: admin-password-1234
      NODE_ENV: production
      PORT: "8080"
    depends_on:
      mysql:
        condition: service_healthy
    ports:
      - "8080:8080"
  # nginx: serves the Vue3 frontend (built from ../frontend) on :80 and
  # reverse-proxies /api/* -> http://backend:8080 (joins the default network so
  # it resolves the `backend` service by name). Task 8.
  #   启动: docker compose up -d nginx
  nginx:
    build:
      context: ../frontend
      dockerfile: Dockerfile
    depends_on:
      - backend
    ports:
      - "8088:80"
  # 一次性备份服务;默认不启动,手动触发:
  #   docker compose --profile backup run --rm backup
  # 或宿主 crontab:0 3 * * * cd /path && docker compose --profile backup run --rm backup
  backup:
    image: mysql:8
    profiles: ["backup"]
    depends_on:
      mysql:
        condition: service_healthy
    environment:
      MYSQL_PWD: root
    volumes:
      - ./backups:/backup
      - ./scripts/backup.sh:/backup.sh:ro
    entrypoint: ["/bin/sh", "/backup.sh"]
volumes:
  mysql_data: {}