lets-encrypt-issuer.yml

#apiVersion: cert-manager.io/v1
#kind: ClusterIssuer
#metadata:
#  name: letsencrypt-staging
#spec:
#  acme:
#    # You must replace this email address with your own.
#    # Let's Encrypt will use this to contact you about expiring
#    # certificates, and issues related to your account.
#    email: ch4mp@c4-soft.com
#    server: https://acme-staging-v02.api.letsencrypt.org/directory
#    privateKeySecretRef:
#      # Secret resource that will be used to store the account's private key.
#      name: letsencrypt-staging
#    # Add a single challenge solver, HTTP01 using nginx
#    solvers:
#    - http01:
#        ingress:
#          class: nginx
#---
apiVersion: cert-manager.io/v1
kind: ClusterIssuer
metadata:
  name: letsencrypt-production
spec:
  acme:
    # You must replace this email address with your own.
    # Let's Encrypt will use this to contact you about expiring
    # certificates, and issues related to your account.
    email: ch4mp@c4-soft.com
    server: https://acme-v02.api.letsencrypt.org/directory
    privateKeySecretRef:
      # Secret resource that will be used to store the account's private key.
      name: letsencrypt-production
    # Add a single challenge solver, HTTP01 using nginx
    solvers:
    - http01:
        ingress:
          class: nginx