update tutorial to use deployment yaml file (#14959)

* update run command for deployment

* recommended label name

content/en/docs/tutorials/stateless-application/expose-external-ip-address.md

@@ -42,9 +42,14 @@ external IP address.
 
 1. Run a Hello World application in your cluster:
 
-        kubectl run hello-world --replicas=5 --labels="run=load-balancer-example" --image=gcr.io/google-samples/node-hello:1.0  --port=8080
+{{< codenew file="service/load-balancer-example.yaml" >}}
 
-    The preceding command creates a
+```shell
+kubectl apply -f https://k8s.io/examples/service/load-balancer-example.yaml
+```
+
+
+The preceding command creates a
     [Deployment](/docs/concepts/workloads/controllers/deployment/)
     object and an associated
     [ReplicaSet](/docs/concepts/workloads/controllers/replicaset/)
@@ -86,9 +91,9 @@ external IP address.
 
         Name:           my-service
         Namespace:      default
-        Labels:         run=load-balancer-example
+        Labels:         app.kubernetes.io/name=load-balancer-example
         Annotations:    <none>
-        Selector:       run=load-balancer-example
+        Selector:       app.kubernetes.io/name=load-balancer-example
         Type:           LoadBalancer
         IP:             10.3.245.137
         LoadBalancer Ingress:   104.198.205.71

content/en/examples/service/load-balancer-example.yaml

@@ -0,0 +1,21 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app.kubernetes.io/name: load-balancer-example
+  name: hello-world
+spec:
+  replicas: 5
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: load-balancer-example
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: load-balancer-example
+    spec:
+      containers:
+      - image: gcr.io/google-samples/node-hello:1.0
+        name: hello-world
+        ports:
+        - containerPort: 8080