services:
  prometheus:
    image: registry.cn-chengdu.aliyuncs.com/reghao/prometheus:2.54.1
    container_name: prometheus
    restart: always
    ports:
      - "9090:9090"
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      # 极致内存优化参数：控制内存中缓存的数据块数量
      - '--storage.tsdb.min-block-duration=2h'
      - '--storage.tsdb.max-block-duration=2h'
      # 减少历史保留时间，节省资源
      - '--storage.tsdb.retention.time=7d'
      - '--web.enable-admin-api'
      - '--web.enable-lifecycle'
    volumes:
      - /etc/localtime:/etc/localtime:ro
      - /opt/docker/prometheus/conf/prometheus.yml:/etc/prometheus/prometheus.yml
      - /opt/docker/prometheus/rules:/etc/prometheus/rules
      - /opt/docker/prometheus/data:/prometheus
    # 限制资源使用
    deploy:
      resources:
        limits:
          cpus: '0.5'     # 最高使用 0.5 核
          memory: 512M    # 强制上限
        reservations:
          memory: 128M    # 启动预留
    logging:
      driver: "json-file"
      options:
        max-size: "10m"   # 单个日志文件最大 10MB
        max-file: "3"     # 最多保留 3 个归档文件
  grafana:
    image: registry.cn-chengdu.aliyuncs.com/reghao/grafana_grafana-oss:11.2.2
    container_name: grafana
    user: root              # 相当于 -u root
    privileged: true
    restart: always
    ports:
      - "3000:3000"
    volumes:
      - /etc/localtime:/etc/localtime:ro
      - /opt/docker/grafana/data:/var/lib/grafana
    # --- 资源限制 ---
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 256M
        reservations:
          memory: 128M
    # --- 日志限制 ---
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "2"