--- apiVersion: cert-manager.io/v1 kind: Certificate metadata: name: ${SECRET_EXTERNAL_DOMAIN//./-} namespace: network spec: secretName: ${SECRET_EXTERNAL_DOMAIN//./-}-tls issuerRef: name: letsencrypt-production kind: ClusterIssuer commonName: "${SECRET_EXTERNAL_DOMAIN}" dnsNames: - ${SECRET_EXTERNAL_DOMAIN} - "*.${SECRET_EXTERNAL_DOMAIN}"