kubernetes-yaml/learn/learn-kubernetes-master/kiamol/ch21/lab/todo-list/todo-db-service.yaml

apiVersion: v1
kind: Service
metadata:
  name: todo-db
  namespace: todo
  labels:
    kiamol: ch21-lab
spec:
  ports:
    - port: 5432
      targetPort: 5432
  selector:
    app: todo-db