Update guide.md

kcdpune/guide.md

@@ -1,22 +1,27 @@
 # Deploy an app
+```
 kubectl create deployment kubernetes-bootcamp --image=gcr.io/google-samples/kubernetes-bootcamp:v1
 kubectl get deployments
 
 export POD_NAME=$(kubectl get pods -o go-template --template '{{range .items}}{{.metadata.name}}{{"\n"}}{{end}}')
 echo Name of the Pod: $POD_NAME
 
 curl http://localhost:8001/api/v1/namespaces/default/pods/$POD_NAME:8080/proxy/
+```
 <br/>
 
 
 # Explore app
+```
 kubectl get - list resources
 kubectl describe - show detailed information about a resource
 kubectl logs - print the logs from a container in a pod
 kubectl exec - execute a command on a container in a pod
+```
 <br/>
 
 # Expose app publicly
+```
 kubectl get services
 kubectl expose deployment/kubernetes-bootcamp --type="NodePort" --port 8080
 kubectl describe services/kubernetes-bootcamp
@@ -28,19 +33,24 @@ minikube service kubernetes-bootcamp --url  <Separate terminal>
 curl 127.0.0.1:51082
 
 kubectl delete service -l app=kubernetes-bootcamp
+```
 <br/>
 
+
 # Scaling your app
+```
 kubectl get deployments
 kubectl scale deployments/kubernetes-bootcamp --replicas=4
 kubectl describe deployments/kubernetes-bootcamp
 kubectl scale deployments/kubernetes-bootcamp --replicas=2
+```
 <br/>
 
 # Update your app
+```
 kubectl set image deployments/kubernetes-bootcamp kubernetes-bootcamp=docker.io/jocatalin/kubernetes-bootcamp:v2
 kubectl set image deployments/kubernetes-bootcamp kubernetes-bootcamp=gcr.io/google-samples/kubernetes-bootcamp:v10
 kubectl get deployments
 kubectl rollout undo deployments/kubernetes-bootcamp
 kubectl delete deployments/kubernetes-bootcamp services/kubernetes-bootcamp
-
+```