refactor: only use DNS challenge

cert-manager/resources/letsencrypt-production.yaml

@@ -9,21 +9,9 @@ spec:
     privateKeySecretRef:
       name: letsencrypt-production
     solvers:
-      - http01:
-          ingress:
-            ingressClassName: traefik
       - dns01:
           cloudflare:
             email: peter.kurfer@gmail.com
             apiTokenSecretRef:
               name: acme-dns-cloudflare
-              key: api-token
-      - dns01:
-          cloudflare:
-            email: peter.kurfer@gmail.com
-            apiTokenSecretRef:
-              name: acme-dns-cloudflare
-              key: api-token
-        selector:
-          matchLabels:
-            cert-manager.io/useDnsSolver: "true"
+              key: api-token

contour/resources/default_gateway.yaml

@@ -55,7 +55,7 @@ spec:
       tls:
         mode: Terminate
         certificateRefs:
-          - name: wildcard-icb4dc0-de-tls
+          - name: forgejo-tls
     - name: coder-port-forwards
       hostname: "*.ide.icb4dc0.de"
       port: 443