metrics-sample-rest/manifest/base/svc-app.yml

apiVersion: v1
kind: Service
metadata:
  labels:
    app: sample
    app.kubernetes.io/component: sample
    app.kubernetes.io/instance: sample
    sample: metrics
  name: sample
  namespace: metrics
spec:
  ports:
  - name: 8080-tcp
    port: 8080
  - name: 8443-tcp
    port: 8443
  selector:
    deployment: sample