Question

A data team needs to run a one-time database migration script inside the cluster. The script should run in a container, execute until it finishes successfully, and then stop without being restarted or kept running. Which Kubernetes resource is designed for this workload?

Accepted Answer

A Job, which runs one or more Pods to successful completion and then stops

Answer

A Deployment, which continuously maintains the desired number of running Pods

Answer

A DaemonSet, which ensures a copy of the Pod runs on every node

Answer

A ReplicaSet, which keeps a fixed number of identical Pods running at all times