x-default: &default
  restart: unless-stopped
  volumes:
    - &localtime /etc/localtime:/etc/localtime:ro
    - &timezone /etc/timezone:/etc/timezone:ro
  logging:
    driver: json-file
    options:
      max-size: 100m

services:
  node-exporter:
    <<: *default
    image: prom/node-exporter:${NODE_EXPORTER_VERSION:-v1.8.2}
    container_name: node-exporter
    ports:
      - "${NODE_EXPORTER_PORT_OVERRIDE:-9100}:9100"
    command:
      - '--path.rootfs=/host'
      - '--path.procfs=/host/proc'
      - '--path.sysfs=/host/sys'
      - '--collector.filesystem.mount-points-exclude=^/(sys|proc|dev|host|etc)($$|/)'
    volumes:
      - '/:/host:ro,rslave'
    deploy:
      resources:
        limits:
          cpus: '0.25'
          memory: 128M
        reservations:
          cpus: '0.1'
          memory: 64M
    # Run with host network for accurate metrics
    # network_mode: host

volumes: {}