Fix of pull request #18960 (#18974)

* Fix of pull request #18960

* Add yaml configuration file snippets

* Remove redundant code snippet for  command

content/en/docs/tasks/run-application/horizontal-pod-autoscale-walkthrough.md

@@ -62,14 +62,19 @@ It defines an index.php page which performs some CPU intensive computations:
 ?>
 ```
 
-First, we will start a deployment running the image and expose it as a service:
+First, we will start a deployment running the image and expose it as a service
+using the following configuration:
 
+{{< codenew file="application/php-apache.yaml" >}}
+
+
+Run the following command:
 ```shell
-kubectl run php-apache --image=k8s.gcr.io/hpa-example --requests=cpu=200m --limits=cpu=500m --expose --port=80  --generator=run-pod/v1
+kubectl apply -f https://k8s.io/examples/application/php-apache.yaml
 ```
 ```
-service/php-apache created
 deployment.apps/php-apache created
+service/php-apache created
 ```
 
 ## Create Horizontal Pod Autoscaler

content/en/examples/application/php-apache.yaml

@@ -0,0 +1,39 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: php-apache
+spec:
+  selector:
+    matchLabels:
+      run: php-apache
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        run: php-apache
+    spec:
+      containers:
+      - name: php-apache
+        image: k8s.gcr.io/hpa-example
+        ports:
+        - containerPort: 80
+        resources:
+          limits:
+            cpu: 500m
+          requests:
+            cpu: 200m
+
+---
+
+apiVersion: v1
+kind: Service
+metadata:
+  name: php-apache
+  labels:
+    run: php-apache
+spec:
+  ports:
+  - port: 80
+  selector:
+    run: php-apache
+