letsencrypt.yaml

apiVersion: cert-manager.io/v1alpha2
kind: ClusterIssuer
metadata:
  name: letsencrypt
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: max@melcher.it

    # ACME server URL for Let’s Encrypt’s staging environment.
    # The staging environment will not issue trusted certificates but is
    # used to ensure that the verification process is working properly
    # before moving to production
    server: https://acme-v02.api.letsencrypt.org/directory

    privateKeySecretRef:
      # Secret resource used to store the account's private key.
      name: letsencrypt-secret

    # Enable the HTTP-01 challenge provider
    # you prove ownership of a domain by ensuring that a particular
    # file is present at the domain
    solvers:
    - http01:
        ingress:
            class: azure/application-gateway