apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: argocd-server-ingress
  namespace: argocd
  annotations:
    cert-manager.io/cluster-issuer: lets-encrypt
    ingress.kubernetes.io/rewrite-target: /
    nginx.ingress.kubernetes.io/ssl-passthrough: "true"
    # If you encounter a redirect loop or are getting a 307 response code
    # then you need to force the nginx ingress to connect to the backend using HTTPS.
    #
    nginx.ingress.kubernetes.io/backend-protocol: "HTTPS"
spec:
  ingressClassName: public
  rules:
    - host: argocd.2martens.de
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: argo-cd-argocd-server
                port:
                  name: https
  tls:
    - hosts:
        - argocd.2martens.de
      secretName: argocd-server-tls # as expected by argocd-server