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DevOps & Automation · Foundational

Deployment

A Kubernetes workload object that manages ReplicaSets to provide declarative updates, scaling, and rollback for stateless pods.

Definition

Changing the pod template triggers a rollout using RollingUpdate (default) or Recreate strategy. kubectl rollout status, history, and undo manage revisions.

Example

kubectl set image deployment/web web=nginx:1.27 && kubectl rollout status deployment/web

Exam tip

Deployments are for stateless apps; use StatefulSets for stable identity and storage.

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