christianlempa-boilerplates/kubernetes/certmanager/templates/certificate.yaml

apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
  name: your-certificate
  namespace: your-namespace
spec:
  secretName: your-secret
  issuerRef:
    name: ssl-issuer
    kind: ClusterIssuer
  dnsNames:
    - your-hostname