Kubernetes Cookbook - Second Edition

Getting ready

Creating a ReplicaSet is the same as creating any Kubernetes resource; we fire the kubectl command on the Kubernetes master. Therefore, we ensure your Kubernetes environment is ready to accept your order. More than that, the Kubernetes node should be able to access the Docker Hub. For the demonstration in the following few pages, we would take official nginx docker image for example, which stores in public docker registry as well.

The evaluation of a prepared Kubernetes systemYou can verify whether your Kuberenetes master is a practical one through checking the items here:

• Check whether the daemons are running or not: There should be three working daemon processes on the master node: apiserver, scheduler, and controller-manager ...