version: '3.8'

# 监控服务器专用配置（ldfun.asia）
# 只部署监控组件，不包含 Promtail（Promtail 部署在业务服务器上）

services:
  # Prometheus - 监控系统，采集所有指标数据
  prometheus:
    image: prom/prometheus:latest
    container_name: prometheus
    restart: unless-stopped
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml
      - prometheus_data:/prometheus
    ports:
      - "9090:9090"
    networks:
      - monitoring

  # Grafana - 可视化面板，查看监控图表和日志
  grafana:
    image: grafana/grafana:latest
    container_name: grafana
    restart: unless-stopped
    volumes:
      - grafana_data:/var/lib/grafana
    environment:
      - GF_SECURITY_ADMIN_PASSWORD=admin123
      - GF_USERS_ALLOW_SIGN_UP=false
    ports:
      - "3000:3000"
    depends_on:
      - prometheus
      - loki
    networks:
      - monitoring

  # Loki - 日志聚合系统，存储日志数据
  loki:
    image: grafana/loki:latest
    container_name: loki
    restart: unless-stopped
    volumes:
      - loki_data:/loki
    ports:
      - "3100:3100"
    networks:
      - monitoring

  # Node Exporter - 采集监控服务器自身的硬件指标（CPU、内存、磁盘等）
  node-exporter:
    image: prom/node-exporter:latest
    container_name: node-exporter
    restart: unless-stopped
    volumes:
      - /proc:/host/proc:ro
      - /sys:/host/sys:ro
      - /:/rootfs:ro
    command:
      - '--path.procfs=/host/proc'
      - '--path.rootfs=/rootfs'
      - '--path.sysfs=/host/sys'
      - '--collector.filesystem.mount-points-exclude=^/(sys|proc|dev|host|etc)($$|/)'
    ports:
      - "9100:9100"
    networks:
      - monitoring

volumes:
  prometheus_data:
  grafana_data:
  loki_data:

networks:
  monitoring:
    driver: bridge