Install WordPress in Kubernetes

To install WordPress in Kubernetes, you need to install helm package manager.

Now run

helm install stable/wordpress

After the helm chart is run, you will get commands to get login for WordPress admin area.

Here is services it create

boby@sok-01:~$ kubectl get service
NAME                             TYPE           CLUSTER-IP      EXTERNAL-IP    PORT(S)                      AGE
kubernetes                       ClusterIP      10.39.240.1              443/TCP                      34m
whopping-labradoodle-mariadb     ClusterIP      10.39.248.140            3306/TCP                     2m
whopping-labradoodle-wordpress   LoadBalancer   10.39.253.160   35.193.33.14   80:32054/TCP,443:30939/TCP   2m
boby@sok-01:~$

List of all pods

boby@sok-01:~$ kubectl get pod
NAME                                             READY   STATUS      RESTARTS   AGE
ubuntu                                           0/1     Completed   0          21m
whopping-labradoodle-mariadb-0                   1/1     Running     0          3m
whopping-labradoodle-wordpress-8bddb5fdf-2l24d   1/1     Running     0          3m
boby@sok-01:~$ 

Deployments

boby@sok-01:~$ kubectl get deployment
NAME                             DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE
whopping-labradoodle-wordpress   1         1         1            1           4m
boby@sok-01:~$ 

To scale the deployment, run

boby@sok-01:~$ kubectl scale deployment/whopping-labradoodle-wordpress --replicas=2
deployment.extensions/whopping-labradoodle-wordpress scaled
boby@sok-01:~$ 

See Helm Kubernetes Package Manager, Kubernetes