Add a code block fence for example-ingress.yaml.

content/en/docs/tasks/access-application-cluster/ingress-minikube.md

@@ -132,6 +132,7 @@ The following file is an Ingress resource that sends traffic to your Service via
 
 1. Create `example-ingress.yaml` from the following file:
 
+    ```yaml
     apiVersion: networking.k8s.io/v1beta1
     kind: Ingress
     metadata:
@@ -147,6 +148,7 @@ The following file is an Ingress resource that sends traffic to your Service via
         backend:
           serviceName: web
           servicePort: 8080
+    ```
 
 1. Create the Ingress resource by running the following command:
 
@@ -242,6 +244,7 @@ The following file is an Ingress resource that sends traffic to your Service via
     ```
 
     Output:
+
     ```shell
     ingress.networking/example-ingress configured
     ```
@@ -255,6 +258,7 @@ The following file is an Ingress resource that sends traffic to your Service via
     ```
 
     Output:
+
     ```shell
     Hello, world!
     Version: 1.0.0
@@ -268,6 +272,7 @@ The following file is an Ingress resource that sends traffic to your Service via
     ```
 
     Output:
+
     ```shell
     Hello, world!
     Version: 2.0.0