cert-manager.io/cluster-issuer

cert-manager.io/cluster-issuer

Official example

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  annotations:
    # add an annotation indicating the issuer to use.
    [[cert-manager.io/cluster-issuer]]: nameOfClusterIssuer
  name: myIngress
  namespace: myIngress
spec:
  rules:
  - host: example.com
    http:
      paths:
      - pathType: Prefix
        path: /
        backend:
          service:
            name: myservice
            port:
              number: 80
  tls: # < placing a host in the TLS config will determine what ends up in the cert's subjectAltNames
  - hosts:
    - example.com
    secretName: myingress-cert # < cert-manager will store the created certificate in this secret.

kubectl get issuer

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