Kubernetes Cookbook - Second Edition

Running a HTTP server (nginx)

On the Kubernetes master, we can use kubectl run to create a certain number of containers. The Kubernetes master will then schedule the pods for the nodes to run, with general command formatting, as follows:

$ kubectl run <replication controller name> --image=<image name> --replicas=<number of replicas> [--port=<exposing port>]

The following example will create two replicas with the name my-first-nginx from the nginx image and expose port 80. We can deploy one or more containers in what is referred to as a pod. In this case, we will deploy one container per pod. Just like a normal Docker behavior, if the nginx image doesn't exist locally, it will pull it from the Docker Hub by default: 


// run a deployment with ...