Deployments and ReplicaSets

Part of the Kubernetes course

You saw it yourself at the end of the last lesson: delete a bare Pod, or let it crash, and nothing brings it back. That is fine for a five minute experiment and useless for anything you actually care about keeping running. Nobody wants to sit at a terminal watching kubectl get pods so they can manually re-apply the moment something dies.

That something is a Deployment. It is the object almost every real Kubernetes workload is built from, and everything you learned about writing a manifest and running kubectl apply still applies, you are just describing a bigger goal this time. ...