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Exposing Kubernetes services

When we run a pod using the kubectl run command, this pod is accessible only inside Kubernetes. In most of cases, we would want this pod to be accessible from the outside as well. This is where the kubectl expose command comes in handy. Let's create the httpd pod one more time and then expose it to the outside world:

$ kubectl run httpd --image=httpd$ kubectl get podsNAME READY STATUS RESTARTS AGEhttpd-66c6df655-8h5f4 1/1 Running 0 27m

Now let's use the kubectl expose command and expose the httpd web server to the outside of Kubernetes:

$ kubectl expose pod httpd-66c6df655-8h5f4 --port=80 --name=httpd-exposed --type=NodePort

While using the kubectl expose command, we specify several options:

• port: Pod (Docker ...