Kubernetes Cookbook - Second Edition

Deploying the latest container image to Kubernetes

After each build, Jenkins keeps pushing your container image on your Docker hub repository at the end of the CI process. Next, update the Jenkins job configuration to use the latest image to deploy to Kubernetes, via the following steps:

1. The first time, we pre-deploy microservice application manually via kubectl deploy --record. Note that you may change spec.template.spec.containers.image: hidetosaito/my-calc to your repository:

$ cat my-calc.yaml apiVersion: apps/v1kind: Deploymentmetadata:  name: my-calc-deployspec:  replicas: 2  selector:    matchLabels:      run: my-calc  template:    metadata:      labels:        run: my-calc    spec:      containers:      - name: my-calc        image: hidetosaito/my-calc//use --record to trace ...