services:
  # ========== 边缘必选 ==========
  # 1. 边缘 Prometheus：抓取 + remote_write 推到中央 VictoriaMetrics
  prometheus-edge:
    image: prom/prometheus:latest
    container_name: prometheus-edge
    restart: unless-stopped
    environment:
      - CENTRAL_SERVER_HOST=${CENTRAL_SERVER_HOST:-192.168.1.10}
      - CENTRAL_SERVER_PORT=${CENTRAL_SERVER_PORT:-8428}
    volumes:
      - prometheus-edge-data:/prometheus
      - ./prometheus-edge/prometheus.yml:/etc/prometheus/prometheus.yml:ro
      - ./config/onvif-targets.json:/etc/prometheus/onvif-targets.json:ro # 挂载静态设备列表
      - ./config/ping-targets.json:/etc/prometheus/ping-targets.json:ro # 挂载Ping目标列表
    mem_limit: "256m"
    cpus: "2.0"
    ports:
      - "9092:9090" # 改为9092避免与中央服务器冲突
    # 本机同机部署时，容器内通过 host.docker.internal 访问宿主机中央服务
    extra_hosts:
      - "host.docker.internal:host-gateway"
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.retention.time=1h'
      - '--web.enable-lifecycle' # 启用配置重载API
    networks:
      - monitoring_net

  # ========== 可选容器（按需启用）==========
  # 2. ONVIF Exporter（可选，使用本项目自建）
  # 启用：docker compose --profile onvif up -d --build（会构建 edge-agent/onvif-exporter 并启动）
  # 配置文件：config/onvif-targets.json（与 targets.csv 中 onvif 行一致，由 update-configs.sh 生成）
  onvif-exporter:
    profiles:
      - onvif
    image: onvif-exporter:local
    build:
      context: ./onvif-exporter
      dockerfile: Dockerfile
    container_name: onvif-exporter
    restart: unless-stopped
    environment:
      - EXPORTER_PORT=9600
      - TARGETS_FILE=/config/targets.json
    volumes:
      - ./config/onvif-targets.json:/config/targets.json:ro
    mem_limit: "128m"
    cpus: "1.5"
    networks:
      - monitoring_net

  # 3. Blackbox Exporter（必选：网络 Ping 探测）
  blackbox-exporter:
    image: prom/blackbox-exporter:latest
    container_name: blackbox-exporter
    restart: unless-stopped
    volumes:
      - ./blackbox/config.yml:/etc/blackbox_exporter/config.yml:ro
    mem_limit: "64m"
    cpus: "0.5"
    networks:
      - monitoring_net

networks:
  monitoring_net:
    driver: bridge

volumes:
  prometheus-edge-data: