node-exporter

compose.yml

services:
  node_exporter:
    image: prom/node-exporter:latest
    container_name: node_exporter
    ports:
      - "127.0.0.1:9100:9100"
    command:
      - '--web.config.file=/opt/web-config.yml'
      - '--path.rootfs=/host'
      - '--collector.disable-defaults'
      - '--collector.cpu'
      - '--collector.meminfo'
      - '--collector.netdev'
      - '--collector.diskstats'
      - '--collector.filesystem'
      - '--collector.uname'
      - '--collector.loadavg'
      - '--collector.netstat'
      - '--collector.filesystem.mount-points-exclude=^/(dev|proc|sys|var/lib/docker/.+|var/lib/kubelet/.+)($$|/)'
#    network_mode: host
    pid: host
    restart: unless-stopped
    volumes:
      - '/:/host:ro,rslave'
      - './web-config.yml:/opt/web-config.yml'

prometheus.yml

scrape_configs:
# =========================================
# ===============> node exporters
# =========================================
  - job_name: 'node-exporter'
    static_configs:
      - targets: ['255.255.255.255:9100']
        labels:
          instance: 'server1'
      - targets: ['255.255.255.255:9200']
        labels:
          instance: 'server2'
    basic_auth:
      username: 'admin'
      password: 'admin'

users.yml

basic_auth_users:
  admin: $2y$10$98vNJ8bnR.pOoftAu51G4ODisZL6R9kRDiAXwLjvYVDM2W.OWsoCW

# htpasswd -nBC 10 "" | tr -d ':\n'
# 1234