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/argocd/cert.yaml

@@ -0,0 +1,13 @@
+# Wildcard-certificaat voor *.labzand.com via Cloudflare DNS-01.
+# DNS-01 werkt ook voor hostnames die niet publiek bereikbaar zijn.
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: labzand-wildcard
+  namespace: argocd
+spec:
+  secretName: labzand-wildcard-tls
+  dnsNames: ["*.labzand.com"]
+  issuerRef:
+    name: cloudflare-dns
+    kind: ClusterIssuer

services/argocd/ingress.yaml

@@ -5,7 +5,7 @@ metadata:
   namespace: argocd
 spec:
   rules:
-  - host: argocd.zb-kw.duckdns.org
+  - host: argocd.labzand.com
     http:
       paths:
       - path: /
@@ -16,5 +16,5 @@ spec:
             port:
               number: 80        # poort 80 van de svc = HTTP-backend
   tls:
-  - hosts: [argocd.zb-kw.duckdns.org]
-    secretName: zb-kw-wildcard-tls
+  - hosts: [argocd.labzand.com]
+    secretName: labzand-wildcard-tls