version: '3.8'

services:
  prometheus:
    image: prom/prometheus:latest
    container_name: prometheus
    restart: unless-stopped
    volumes:
      - ./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
      - ./prometheus/rules:/etc/prometheus/rules
      - prometheus_data:/prometheus
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
      - '--web.console.libraries=/etc/prometheus/console_libraries'
      - '--web.console.templates=/etc/prometheus/consoles'
      - '--storage.tsdb.retention.time=30d'
      - '--web.enable-lifecycle'
    networks:
      - v2_internal_net
    ports:
      - "9090:9090"
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 2g

  grafana:
    image: grafana/grafana:latest
    container_name: grafana
    restart: unless-stopped
    environment:
      - GF_SECURITY_ADMIN_USER=${GRAFANA_USER:-admin}
      - GF_SECURITY_ADMIN_PASSWORD=${GRAFANA_PASSWORD:-admin}
      - GF_USERS_ALLOW_SIGN_UP=false
      - GF_SERVER_ROOT_URL=https://monitoring.v2-docker.com
      - GF_INSTALL_PLUGINS=grafana-clock-panel,grafana-simple-json-datasource,grafana-piechart-panel
    volumes:
      - grafana_data:/var/lib/grafana
      - ./grafana/provisioning:/etc/grafana/provisioning
      - ./grafana/dashboards:/var/lib/grafana/dashboards
    networks:
      - v2_internal_net
    ports:
      - "3000:3000"
    depends_on:
      - prometheus
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 512m

  alertmanager:
    image: prom/alertmanager:latest
    container_name: alertmanager
    restart: unless-stopped
    volumes:
      - ./alertmanager/alertmanager.yml:/etc/alertmanager/alertmanager.yml
      - alertmanager_data:/alertmanager
    command:
      - '--config.file=/etc/alertmanager/alertmanager.yml'
      - '--storage.path=/alertmanager'
    networks:
      - v2_internal_net
    ports:
      - "9093:9093"
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 256m

  # PostgreSQL Exporter
  postgres-exporter:
    image: prometheuscommunity/postgres-exporter:latest
    container_name: postgres-exporter
    restart: unless-stopped
    environment:
      DATA_SOURCE_NAME: "postgresql://postgres:${POSTGRES_PASSWORD}@postgres:5432/v2_adminpanel?sslmode=disable"
    networks:
      - v2_internal_net
    deploy:
      resources:
        limits:
          cpus: '0.25'
          memory: 128m

  # Redis Exporter
  redis-exporter:
    image: oliver006/redis_exporter:latest
    container_name: redis-exporter
    restart: unless-stopped
    environment:
      REDIS_ADDR: "redis://redis:6379"
    networks:
      - v2_internal_net
    deploy:
      resources:
        limits:
          cpus: '0.25'
          memory: 128m

  # Node Exporter (for host metrics)
  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)($$|/)'
    networks:
      - v2_internal_net
    deploy:
      resources:
        limits:
          cpus: '0.25'
          memory: 128m

  # Nginx Exporter
  nginx-exporter:
    image: nginx/nginx-prometheus-exporter:latest
    container_name: nginx-exporter
    restart: unless-stopped
    command:
      - '-nginx.scrape-uri=http://nginx-proxy:8080/nginx_status'
    networks:
      - v2_internal_net
    deploy:
      resources:
        limits:
          cpus: '0.25'
          memory: 128m

networks:
  v2_internal_net:
    external: true

volumes:
  prometheus_data:
  grafana_data:
  alertmanager_data: