Deploying a sample application

We are going to deploy the nginx web server sample application. It is software that responds to client requests via HTTP (Hypertext Transfer Protocol). The following command will deploy the nginx web application:

kubectl create deployment nginx --image=nginx

The following command execution output indicates that there is no error in the deployment, and in the next steps, we can verify whether the Pods are created:

Figure 2.7 – Create the deployment

Check the pods status to verify whether the application has been deployed and running:

kubectl get pods

The following command execution output indicates that Pods are created and in the Running status:

Figure 2.8 – Check the status of the deployment

The nginx application has been deployed successfully, so it can be exposed with the following command:

kubectl expose deployment nginx \
--port 80 \
--target-port 80 \
--type ClusterIP \
--selector=run=nginx \
--name nginx

The following command...