apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
  name: san-ioot-xyz
spec:
  secretName: san-ioot-xyz
  issuerRef:
    name: letsencrypt
    kind: ClusterIssuer
  commonName: ioot.xyz
  dnsNames:
  - ioot.xyz
  - a.ioot.xyz
  - router.ioot.xyz
  # to be deleted someday
  - gorilych.ru
  - router.gorilych.ru