NTP of Prometheus monitoring_ exporter

$ cat /opt/ntp/docker-compose.yaml
version: '3'
services:
  ntp-exporter:
    image: sapcc/ntp-exporter:v2.0.0
    command:
      - '-web.listen-address=:9559'
      - '-web.telemetry-path=/metrics'
      - '-ntp.protocol-version=4'
      - '-ntp.server=10.188.1.252'
    restart: always
    ports:
      - "9559:9559"

cat prometheus.yaml

  - job_name: 'ntp-exporter'
   scrape_interval: 2m
   static_configs:
   - targets: ['10.188.1.252:9559']