# Prometheus + Grafana Monitoring Stack
# Ports: 9090 (Prometheus), 3300 (Grafana)
#
# Config files are in prometheus/ and grafana/ subdirectories relative to this file
# Dashboards provisioned: infrastructure-overview, node-details, node-exporter, synology-monitoring

services:
  prometheus:
    image: prom/prometheus:latest
    container_name: prometheus
    volumes:
      - ./prometheus:/etc/prometheus
      - prometheus-data:/prometheus
    command:
      - "--config.file=/etc/prometheus/prometheus.yml"
      - "--storage.tsdb.path=/prometheus"
      - "--web.enable-lifecycle"
    ports:
      - "9090:9090"
    restart: unless-stopped
    networks:
      - monitoring

  grafana:
    image: grafana/grafana-oss:latest
    container_name: grafana
    environment:
      - GF_SECURITY_ADMIN_USER=admin
      - GF_SECURITY_ADMIN_PASSWORD="REDACTED_PASSWORD"
    volumes:
      - grafana-data:/var/lib/grafana
      - ./grafana/provisioning/datasources:/etc/grafana/provisioning/datasources:ro
      - ./grafana/provisioning/dashboards:/etc/grafana/provisioning/dashboards:ro
      - ./grafana/dashboards:/etc/grafana/dashboards:ro
    ports:
      - "3300:3000"
    restart: unless-stopped
    depends_on:
      - prometheus
    networks:
      - monitoring

  node_exporter:
    image: prom/node-exporter:latest
    container_name: node_exporter
    network_mode: host
    pid: host
    volumes:
      - /:/host:ro,rslave
      - /sys:/host/sys:ro
      - /proc:/host/proc:ro
    command:
      - '--path.rootfs=/host'
    restart: unless-stopped

volumes:
  prometheus-data:
  grafana-data:

networks:
  monitoring:
    driver: bridge