Question

A team deploys a new version of their application by updating the container image in a Deployment. Shortly after, they notice the new Pods are failing readiness checks and users are reporting errors. They want to quickly return to the previously working version with a single command. Which kubectl command accomplishes this?

Accepted Answer

kubectl rollout undo deployment/myapp

Answer

kubectl delete deployment/myapp && kubectl apply -f old-manifest.yaml

Answer

kubectl rollout pause deployment/myapp

Answer

kubectl scale deployment/myapp --replicas=0