cert-manager.io/issuer

cert-manager.io/issuer: letsencrypt-prod

cert-manager.io/cluster-issuer

kubectl get issuer
kubectl get clusterissuer
kubectl get cr

• cert-manager.io [ /issuer | /cluster-issuer ] [ issuer. | certificaterequests. | challenges. ] kind: Issuer, kind: ClusterIssuer
• kind: Ingress, nginx.ingress.kubernetes.io, networking.k8s.io/[v1Beta,v1 ], extensions/v1beta1, ingress.spec.rules, kubectl apply -f ingress.yaml, spec.tls, ingressClassName
• cert-manager, cert-manager-controller, ingress-shim, kind: Certificate, kind: ClusterIssuer, Kind: CertificateSigningRequest, kind: Issuer, kubectl [ get | describe ] certificates, cmctl, kubectl get issuer, kubectl get csr, IngressShim