version: "3"

services:
  prometheus:
    image: prom/prometheus:latest
    container_name: prometheus
    ports:
      - "9090:9090"
    volumes:
      - ./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
      - ./prometheus/alert_rules.yml:/etc/prometheus/alert_rules.yml
    command:
      - "--config.file=/etc/prometheus/prometheus.yml"
      - "--web.enable-lifecycle"  # 允许通过 API 重新加载配置
    networks:
      - monitoring

  grafana:
    image: grafana/grafana:latest
    container_name: grafana
    ports:
      - "3100:3000"
    volumes:
      - ./grafana/grafana.ini:/etc/grafana/grafana.ini  # 可选：自定义 Grafana 配置
    networks:
      - monitoring
    depends_on:
      - prometheus

  node-exporter:  # 示例：部署 Node Exporter 监控本机
    image: prom/node-exporter:latest
    container_name: node-exporter
    ports:
      - "9100:9100"
    networks:
      - monitoring

networks:
  monitoring:
    driver: bridge