services:
  grafana:
    image: grafana/grafana
    container_name: grafana
    user: "0"
    volumes:
      - ${APPS_DIR}/monitoring/grafana:/var/lib/grafana
    ports:
      - "3005:3000"
    networks:
      - monitoring
    restart: unless-stopped
    
  loki:
    image: grafana/loki
    container_name: loki
    volumes:
      - ${APPS_DIR}/monitoring/loki:/etc/loki
    ports:
      - "3100:3100"
    command: -config.file=/etc/loki/loki-config.yml -config.expand-env=true
    networks:
      - monitoring
    restart: unless-stopped
      
  promtail:
    image: grafana/promtail
    container_name: promtail
    volumes:
      - /var/log:/var/log  #map the log folder.
      - ${APPS_DIR}/monitoring/promtail:/etc/promtail
    command: -config.file=/etc/promtail/promtail-config.yml
    networks:
      - monitoring
    restart: unless-stopped

  prometheus:
    image: prom/prometheus
    container_name: prometheus
    volumes:
      - ${APPS_DIR}/monitoring/prometheus:/etc/prometheus
    ports:
      - "9090:9090"
    networks:
      - monitoring
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
    restart: unless-stopped

  node-exporter:
    image: prom/node-exporter
    container_name: node-exporter
    network_mode: host # Not compatible with ports declaration. This service will expose port 9100.
    volumes:
      - /proc:/host/proc:ro
      - /sys:/host/sys:ro
      - /:/rootfs:ro
    command:
      - '--path.procfs=/host/proc'
      - '--path.sysfs=/host/sys'
      - '--path.rootfs=/rootfs'
      - '--collector.filesystem.ignored-mount-points=^/(sys|proc|dev|host|etc)($$|/)'
    restart: unless-stopped

networks:
  monitoring: