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

apiVersion: v1
kind: Service
metadata:
  name: todo-web
  labels:
    kiamol: ch21
spec:
  ports:
    - port: 8021
      targetPort: 80
  selector:    
    app: todo-list
    component: web
  type: LoadBalancer