Kubernetes Cookbook - Second Edition

How to do it...

The following are the steps to create a Pod has 2 containers:

1. Log on to the Kubernetes machine (no need to log on if using minikube) and prepare the following YAML file. It defines the launch nginx container and the CentOS container. 
2. The nginx container opens the HTTP port (TCP/80). On the other hand, the CentOS container attempts to access the localhost:80 every three seconds using the curl command: 

$ cat my-first-pod.yaml apiVersion: v1kind: Podmetadata:   name: my-first-podspec:  containers:  - name: my-nginx    image: nginx  - name: my-centos    image: centos    command: ["/bin/sh", "-c", "while : ;do curl http://localhost:80/; sleep 10; done"]

3. Then, execute the kubectl create command to launch my-first-pod as follows: