apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
  name: certificates.certmanager.k8s.io
spec:
  group: certmanager.k8s.io
  version: v1alpha1
  names:
    kind: Certificate
    plural: certificates
  scope: Namespaced # Can also be cluster level using "Cluster"
---
apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
  name: issuers.certmanager.k8s.io
spec:
  group: certmanager.k8s.io
  version: v1alpha1
  names:
    kind: Issuer
    plural: issuers
  scope: Namespaced # Can also be cluster level using "Cluster"