Postgres service

postgres-service.yaml

apiVersion: v1
kind: Service
metadata:
  name: db
  # db name is given according to the code(host:db)
  labels:
    name: postgres-service
    app: demo-voting-app
spec:
  ports:
  - port: 5432
    targetPort: 5432
    # No need of NodePort as it is an internal service
  selector:
    name: postgres-pod
    app: demo-voting-app