Merge pull request #25080 from RA489/updatefmt

add code formatting to commands in expose-external-ip-address tutorial

Author: k8s-ci-robot

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

@@ -9,12 +9,8 @@ weight: 10
 This page shows how to create a Kubernetes Service object that exposes an
 external IP address.
 
-
-
-
 ## {{% heading "prerequisites" %}}
 
-
  * Install [kubectl](/docs/tasks/tools/install-kubectl/).
 
  * Use a cloud provider like Google Kubernetes Engine or Amazon Web Services to
@@ -25,19 +21,12 @@ external IP address.
  * Configure `kubectl` to communicate with your Kubernetes API server. For
  instructions, see the documentation for your cloud provider.
 
-
-
-
 ## {{% heading "objectives" %}}
 
-
 * Run five instances of a Hello World application.
 * Create a Service object that exposes an external IP address.
 * Use the Service object to access the running application.
 
-
-
-
 <!-- lessoncontent -->
 
 ## Creating a service for an application running in five pods
@@ -50,37 +39,46 @@ external IP address.
 kubectl apply -f https://k8s.io/examples/service/load-balancer-example.yaml
 ```
 
-
 The preceding command creates a
-    {{< glossary_tooltip text="Deployment" term_id="deployment" >}}
-    and an associated
-    {{< glossary_tooltip term_id="replica-set" text="ReplicaSet" >}}.
-    The ReplicaSet has five
-    {{< glossary_tooltip text="Pods" term_id="pod" >}}
-    each of which runs the Hello World application.
+{{< glossary_tooltip text="Deployment" term_id="deployment" >}}
+and an associated
+{{< glossary_tooltip term_id="replica-set" text="ReplicaSet" >}}.
+The ReplicaSet has five
+{{< glossary_tooltip text="Pods" term_id="pod" >}}
+each of which runs the Hello World application.
 
 1. Display information about the Deployment:
 
-        kubectl get deployments hello-world
-        kubectl describe deployments hello-world
+    ```shell
+    kubectl get deployments hello-world
+    kubectl describe deployments hello-world
+    ```
 
 1. Display information about your ReplicaSet objects:
 
-        kubectl get replicasets
-        kubectl describe replicasets
+    ```shell
+    kubectl get replicasets
+    kubectl describe replicasets
+    ```
 
 1. Create a Service object that exposes the deployment:
 
-        kubectl expose deployment hello-world --type=LoadBalancer --name=my-service
+    ```shell
+    kubectl expose deployment hello-world --type=LoadBalancer --name=my-service
+    ```
 
 1. Display information about the Service:
 
-        kubectl get services my-service
+    ```shell
+    kubectl get services my-service
+    ```
 
     The output is similar to this:
 
-        NAME         TYPE           CLUSTER-IP     EXTERNAL-IP      PORT(S)    AGE
-        my-service   LoadBalancer   10.3.245.137   104.198.205.71   8080/TCP   54s
+    ```
+    NAME         TYPE           CLUSTER-IP     EXTERNAL-IP      PORT(S)    AGE
+    my-service   LoadBalancer   10.3.245.137   104.198.205.71   8080/TCP   54s
+    ```
 
     {{< note >}}
 
@@ -96,23 +94,27 @@ The preceding command creates a
 
 1. Display detailed information about the Service:
 
-        kubectl describe services my-service
+    ```shell
+    kubectl describe services my-service
+    ```
 
     The output is similar to this:
 
-        Name:           my-service
-        Namespace:      default
-        Labels:         app.kubernetes.io/name=load-balancer-example
-        Annotations:    <none>
-        Selector:       app.kubernetes.io/name=load-balancer-example
-        Type:           LoadBalancer
-        IP:             10.3.245.137
-        LoadBalancer Ingress:   104.198.205.71
-        Port:           <unset> 8080/TCP
-        NodePort:       <unset> 32377/TCP
-        Endpoints:      10.0.0.6:8080,10.0.1.6:8080,10.0.1.7:8080 + 2 more...
-        Session Affinity:   None
-        Events:         <none>
+    ```
+    Name:           my-service
+    Namespace:      default
+    Labels:         app.kubernetes.io/name=load-balancer-example
+    Annotations:    <none>
+    Selector:       app.kubernetes.io/name=load-balancer-example
+    Type:           LoadBalancer
+    IP:             10.3.245.137
+    LoadBalancer Ingress:   104.198.205.71
+    Port:           <unset> 8080/TCP
+    NodePort:       <unset> 32377/TCP
+    Endpoints:      10.0.0.6:8080,10.0.1.6:8080,10.0.1.7:8080 + 2 more...
+    Session Affinity:   None
+    Events:         <none>
+    ```
 
     Make a note of the external IP address (`LoadBalancer Ingress`) exposed by
     your service. In this example, the external IP address is 104.198.205.71.
@@ -124,21 +126,27 @@ The preceding command creates a
    addresses of the pods that are running the Hello World application. To
    verify these are pod addresses, enter this command:
 
-        kubectl get pods --output=wide
+    ```shell
+    kubectl get pods --output=wide
+    ```
 
     The output is similar to this:
 
-        NAME                         ...  IP         NODE
-        hello-world-2895499144-1jaz9 ...  10.0.1.6   gke-cluster-1-default-pool-e0b8d269-1afc
-        hello-world-2895499144-2e5uh ...  10.0.1.8   gke-cluster-1-default-pool-e0b8d269-1afc
-        hello-world-2895499144-9m4h1 ...  10.0.0.6   gke-cluster-1-default-pool-e0b8d269-5v7a
-        hello-world-2895499144-o4z13 ...  10.0.1.7   gke-cluster-1-default-pool-e0b8d269-1afc
-        hello-world-2895499144-segjf ...  10.0.2.5   gke-cluster-1-default-pool-e0b8d269-cpuc
+    ```
+    NAME                         ...  IP         NODE
+    hello-world-2895499144-1jaz9 ...  10.0.1.6   gke-cluster-1-default-pool-e0b8d269-1afc
+    hello-world-2895499144-2e5uh ...  10.0.1.8   gke-cluster-1-default-pool-e0b8d269-1afc
+    hello-world-2895499144-9m4h1 ...  10.0.0.6   gke-cluster-1-default-pool-e0b8d269-5v7a
+    hello-world-2895499144-o4z13 ...  10.0.1.7   gke-cluster-1-default-pool-e0b8d269-1afc
+    hello-world-2895499144-segjf ...  10.0.2.5   gke-cluster-1-default-pool-e0b8d269-cpuc
+    ```
 
 1. Use the external IP address (`LoadBalancer Ingress`) to access the Hello
    World application:
 
-        curl http://<external-ip>:<port>
+    ```shell
+    curl http://<external-ip>:<port>
+    ```
 
     where `<external-ip>` is the external IP address (`LoadBalancer Ingress`)
     of your Service, and `<port>` is the value of `Port` in your Service
@@ -148,29 +156,27 @@ The preceding command creates a
 
     The response to a successful request is a hello message:
 
-        Hello Kubernetes!
-
-
-
+    ```shell
+    Hello Kubernetes!
+    ```
 
 ## {{% heading "cleanup" %}}
 
-
 To delete the Service, enter this command:
 
-    kubectl delete services my-service
+```shell
+kubectl delete services my-service
+```
 
 To delete the Deployment, the ReplicaSet, and the Pods that are running
 the Hello World application, enter this command:
 
-    kubectl delete deployment hello-world
-
-
-
+```shell
+kubectl delete deployment hello-world
+```
 
 ## {{% heading "whatsnext" %}}
 
-
 Learn more about
 [connecting applications with services](/docs/concepts/services-networking/connect-applications-service/).