services:
  prometheus:
    image: prom/prometheus:v3.4.2
    container_name: prometheus
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml
    user: root
    networks:
      - monitoring_net
    restart: unless-stopped

  nginx-exporter:
    image: nginx/nginx-prometheus-exporter:1.4.2
    container_name: nginx-exporter
    command:
      - '--nginx.scrape-uri=http://nginx:9888/nginx_status'
    networks:
      - monitoring_net

  postgres-exporter:
    image: prometheuscommunity/postgres-exporter:v0.17.1
    container_name: postgres-exporter
    environment:
      DATA_SOURCE_NAME: "postgresql://${POSTGRES_USER}:${POSTGRES_PASS}@${MONITORING_GATEWAY}:${POSTGRES_PORT}/${POSTGRES_DB}?sslmode=disable"
    networks:
      monitoring_net:
        ipv4_address: "${POSTGRES_EXPORTER_IP}"

  grafana:
    image: grafana/grafana:12.0.2
    container_name: grafana
    environment:
      GF_SECURITY_ADMIN_USER: "${MAIN_USER}"
      GF_SECURITY_ADMIN_PASSWORD: "${GRAFANA_PASSWORD}"
    volumes:
      - /srv/monitoring/grafana-storage:/var/lib/grafana
    user: root
    networks:
      - monitoring_net
    restart: unless-stopped
networks:
  monitoring_net:
    external: true