--- apiVersion: certmanager.k8s.io/v1alpha1 kind: Certificate metadata: name: api-certificate namespace: openshift-config spec: secretName: api-certificate renewBefore: 360h # 15d commonName: api.os.fedorainfracloud.org dnsNames: - 'api.os.fedorainfracloud.org' issuerRef: name: letsencrypt-production kind: ClusterIssuer