AWS Automation Cookbook

Deployment configuration file

$ vi nginx-deployment.yamlapiVersion: extensions/v1beta1kind: Deploymentmetadata:  name: webappspec:  replicas: 2  selector:    matchLabels:      app: nginx  minReadySeconds: 5  template:    metadata:      labels:        app: nginx    spec:      containers:      - name: webapp        image: nginx        imagePullPolicy: IfNotPresent        ports:        - containerPort: 80

The previous configuration is mentioning the following things:

• The kind of file is deployed, and the name is webapp.
• The number of replicas will be two, and the name of application is nginx.
• The name of the container is webapp and the image nginx is used.
• ImagePullPolicy is IfNotPresent, meaning that the image is not present in the cluster or pulled from registry. If its there, then use that image.
• Container ...