sample-service/k8s/service.yml

apiVersion: v1
kind: Service
metadata:
  name: sample-service
  namespace: birbnetes
  labels:
    app: sample-service
spec:
  ports:
    - name: sample-service
      port: 80
      targetPort: 8080
      protocol: TCP
  selector:
    app: sample-service
  type: ClusterIP