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rollout-test.md

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Deployment and rollout

Create the Deployment by running the following command:

kubectl apply -f https://k8s.io/examples/controllers/nginx-deployment.yaml
  • check deployment
kubectl get deployments
  • To see the Deployment rollout status
kubectl rollout status deployment/nginx-deployment
  • To see the ReplicaSet
kubectl get rs
  • see the labels automatically generated for each Pod
kubectl get pods --show-labels
  • Let's update the nginx Pods to use the nginx:1.16.1 image instead of the nginx:1.14.2 image.
kubectl --record deployment.apps/nginx-deployment set image deployment.v1.apps/nginx-deployment nginx=nginx:1.16.1
# OR
kubectl set image deployment/nginx-deployment nginx=nginx:1.16.1 --record
  • check deployment
kubectl get deployments
  • To see the ReplicaSet
kubectl get rs
  • Get details of your Deployment:
kubectl describe deployments
  • check the revisions of this Deployment
kubectl rollout history deployment.v1.apps/nginx-deployment
  • Scaling a Deployment
kubectl scale deployment.v1.apps/nginx-deployment --replicas=10
  • You can make as many updates as you wish, for example, update the resources that will be used:
kubectl set resources deployment.v1.apps/nginx-deployment -c=nginx --limits=cpu=200m,memory=512Mi

‍- Get details of your Deployment:

kubectl describe deployment nginx-deployment