feat: move argocd/authentik to *.labzand.com with Cloudflare DNS-01 wildcard certs

Internal-only hostnames (argocd.labzand.com, auth.labzand.com) via AdGuard
wildcard rewrite; certs still valid via DNS-01 so no browser warnings.

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <[email protected]>

services/authentik/cert.yaml

@@ -1,9 +1,13 @@
+# Wildcard-certificaat voor *.labzand.com via Cloudflare DNS-01.
+# Vervangt de oude duckdns-cert (zb-kw-wildcard-tls).
 apiVersion: cert-manager.io/v1
 kind: Certificate
 metadata:
-  name: zb-kw-wildcard
+  name: labzand-wildcard
   namespace: authentik
 spec:
-  secretName: zb-kw-wildcard-tls
-  dnsNames: ["auth.zb-kw.duckdns.org"]
-  issuerRef: {name: duckdns, kind: ClusterIssuer}
+  secretName: labzand-wildcard-tls
+  dnsNames: ["*.labzand.com"]
+  issuerRef:
+    name: cloudflare-dns
+    kind: ClusterIssuer

services/authentik/ingress.yaml

@@ -9,7 +9,7 @@ metadata:
 spec:
   ingressClassName: traefik
   rules:
-  - host: auth.zb-kw.duckdns.org
+  - host: auth.labzand.com
     http:
       paths:
       - path: /
@@ -21,5 +21,5 @@ spec:
               number: 9000
   tls:
   - hosts:
-    - auth.zb-kw.duckdns.org
-    secretName: zb-kw-wildcard-tls
+    - auth.labzand.com
+    secretName: labzand-wildcard-tls