version: '3.8'

networks:
  monitoring:
    external: true

services:
  node-exporter:
    image: prom/node-exporter:v1.8.2
    command:
      - '--path.procfs=/host/proc'
      - '--path.rootfs=/rootfs'
      - '--path.sysfs=/host/sys'
      - '--collector.filesystem.mount-points-exclude=^/(sys|proc|dev|host|etc)($$|/)'
    volumes:
      - '/proc:/host/proc:ro'
      - '/sys:/host/sys:ro'
      - '/:/rootfs:ro,rslave'
    networks:
      - monitoring
    deploy:
      mode: global
      resources:
        limits:
          memory: 128M
          cpus: '0.2'
        reservations:
          memory: 32M
          cpus: '0.05'
      restart_policy:
        condition: on-failure
        delay: 5s
        max_attempts: 3
      logging:
        driver: "json-file"
        options:
          max-size: "5m"
          max-file: "2"