Kubernetes CKA sample exam question 3 with answer

Question
Create a new deployment called web-proj-268 with, image nginx:1.16 and 1 replica.
Next, upgrade the deployment to version 1.17. using rolling update.
Make sure that the version upgrade is recorded in the resource annotation.

Answer
Create deployment:

kubectl create deployment web-proj-268 --image=nginx:1.16

After creation - it is mandatory to check:

kubectl get deploy
kubectl get po
kubectl describe deploy web-proj-268

Change image and record it:

kubectl set image deployment web-proj-268 nginx=nginx:1.17 --record

Verify:

kubectl describe deploy web-proj-268 | grep -i image

Check rollout history:

kubectl rollout history deployment web-proj-268

you should get as output the recording in the CHANGE-CAUSE column.