apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
  name: xyz.A.B.C.D.nip.io
spec:
  secretName: xyz.A.B.C.D.nip.io
  dnsNames:
  - xyz.A.B.C.D.nip.io
  issuerRef:
    name: letsencrypt-staging
    kind: ClusterIssuer