Kubernetes ships with built-in types such as Pods, Services and Deployments, but its API is designed to be extended. A CustomResourceDefinition (CRD) adds a new resource type to the API server. Once a CRD exists, you can create, list, edit and delete objects of that type with kubectl exactly like built-in objects. Those objects are called custom resources.
Free account
Keep reading for free
Create a free StudyToCert account to read the rest of this lesson: 6 more sections, 4 key terms, a real-world example, an exam tip and self-check questions. Every lesson, lab and practice test is free with an account.