kind: Issuer

apiVersion: cert-manager.io/v1
kind: Issuer
metadata:
  name: letsencrypt-staging
spec:
  acme:
    # The ACME server URL
    server: https://acme-staging-v02.api.letsencrypt.org/directory
    # Email address used for ACME registration
    email: [email protected]
    # Name of a secret used to store the ACME account private key
    privateKeySecretRef:
      name: letsencrypt-staging
    # Enable the HTTP-01 challenge provider
    solvers:
      - http01:
          ingress:
            ingressClassName: nginx

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