G/co/crd/setup Updated Page

Try building a simple controller (e.g., with Kubebuilder) that reacts to your new CRD. Have questions about CRD setup? Drop a comment below or reach out to our team.

apiVersion: apiextensions.k8s.io/v1 kind: CustomResourceDefinition metadata: name: databasebackups.stable.example.com spec: group: stable.example.com versions: - name: v1 served: true storage: true schema: openAPIV3Schema: type: object properties: spec: type: object properties: backupSchedule: type: string retentionDays: type: integer scope: Namespaced names: plural: databasebackups singular: databasebackup kind: DatabaseBackup shortNames: - dbb Use kubectl to apply your CRD: g/co/crd/setup

Use kubectl replace --force if needed, but prefer apply for declarative management. Conclusion Setting up a CRD — following the g/co/crd/setup approach — is straightforward once you understand the steps: define, apply, verify, and use. CRDs unlock the true extensibility of Kubernetes, letting you model your infrastructure exactly how your team needs it. Try building a simple controller (e