# DataFlow-EDU 单机生产部署（本地 / 阿里云服务器通用）：双容器 + 共享数据卷。
# - worker：Express + Python 同住，跑后端 API、SSE、教师端任务子进程链路。
# - web：Nginx 仅 serve 前端 dist + 反代 /api/ 到 worker:3000。
# - 两个 named volume 分别挂到 SQLite (webui/server/data) 与
#   用户任务产物 (dataflow_edu/data/users)，备份/快照一并走。

services:
  worker:
    build:
      context: .
      dockerfile: Dockerfile.python
    image: dataflow-edu-worker:latest
    restart: unless-stopped
    env_file:
      - webui/server/.env
    environment:
      NODE_ENV: production
      PORT: "3000"
    volumes:
      - appdata-users:/app/dataflow_edu/data/users
      - appdata-sqlite:/app/webui/server/data
    expose:
      - "3000"
    # 仅在本地 dev 想直连 worker 时启用 ports：
    # ports:
    #   - "3000:3000"
    healthcheck:
      # worker 镜像只有 curl，无 wget；失败会导致 STATUS unhealthy 但服务实际正常
      test: ["CMD", "curl", "-sf", "http://localhost:3000/api/healthz"]
      interval: 30s
      timeout: 5s
      retries: 3
      start_period: 15s

  web:
    build:
      context: .
      dockerfile: Dockerfile.web
    image: dataflow-edu-web:latest
    restart: unless-stopped
    depends_on:
      - worker
    ports:
      - "8080:80"

  backup:
    image: keinos/sqlite3:latest
    user: root
    restart: unless-stopped
    depends_on:
      - worker
    volumes:
      - appdata-sqlite:/app/webui/server/data
      - ./scripts/backup.sh:/backup.sh:ro
    # busybox crond：每天 03:00 执行备份脚本
    # -f: 前台运行；-l 8: log level notice
    entrypoint: >
      sh -c "
        mkdir -p /var/spool/cron/crontabs &&
        echo '0 3 * * * sh /backup.sh >> /var/log/backup.log 2>&1' > /var/spool/cron/crontabs/root &&
        crond -f -l 8
      "

volumes:
  appdata-users:
  appdata-sqlite: