Kubernetes Cookbook - Second Edition

How to do it...

You may run the kubectl run command to recreate my-nginx, or write a Deployments configuration file that produces the same result. This is a great opportunity to learn about the Deployment configuration file. 

This example is an equivalent of kubectl run my-nginx --image=nginx:1.11.0 --port=80 --replicas=3:

$ cat deploy.yaml apiVersion: apps/v1kind: Deploymentmetadata:  name: my-nginxspec:  replicas: 3  selector:    matchLabels:      run: my-nginx  template:    metadata:      labels:        run: my-nginx    spec:      containers:      - name: my-nginx        image: nginx:1.11.0        ports:        - containerPort: 80

These parameters, sorted by key and value, are described here:

Key	Value	Description
apiVersion	apps/v1	Until Kubernetes v1.8, it had been used apps/v1Beta1, ...