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DevOps · Concept

Operator

A Kubernetes Operator is a controller that uses custom resources to manage an application. It watches the requested state and changes related Kubernetes objects to match it.

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Syntax

kubectl get <custom-resource-kind>
kubectl edit <custom-resource-kind>/<name>

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • Custom Resource
  • Custom Resource Definition
  • control loop
  • controller
  • Deployment
  • StatefulSet
  • Job
  • ConfigMap

Source: Operator pattern | Kubernetes. Checked 2026-11-03.