prometheus-operator/contrib/kube-prometheus/manifests/node-exporter/node-exporter-service.yaml

apiVersion: v1
kind: Service
metadata:
  labels:
    k8s-app: node-exporter
  name: node-exporter
  namespace: monitoring
spec:
  ports:
  - name: https
    port: 9100
    targetPort: https
  selector:
    app: node-exporter