{
  "apiVersion": "cert-manager.io/v1",
  "kind": "Certificate",
  "metadata": {
    "name": "yealink-provision-tls",
    "namespace": "telephony"
  },
  "spec": {
    "dnsNames": [
      "prov.telephony.iamworkin.lan"
    ],
    "issuerRef": {
      "kind": "ClusterIssuer",
      "name": "step-ca-acme"
    },
    "secretName": "yealink-provision-tls"
  }
}