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config/staging/domaindata.php

@@ -1,10 +1,21 @@
 <?php
 declare(strict_types=1);
 
-// Example: a single "brand" domain name.
-// In real deployments you might derive this from ENV or hostnames.
+// Domain steering by TLD (.de/.at/.ch/.info)
+$host = $_SERVER['HTTP_HOST'] ?? '';
+$allowedTlds = ['de','at','ch','info'];
+$tld = 'info';
+if (preg_match('/\\.(de|at|ch|info)$/i', $host, $m)) {
+    $tld = strtolower($m[1]);
+}
+if (!in_array($tld, $allowedTlds, true)) {
+    $tld = 'info';
+}
+$baseDomain = 'papa-kind-treff.' . $tld;
+$fullDomain = 'staging.' . $baseDomain;
+
 if (!defined('APP_DOMAIN_NAME')) {
-    define('APP_DOMAIN_NAME', 'staging.papa-kind-treff.info');
+    define('APP_DOMAIN_NAME', $fullDomain);
 }
 
 if (!defined('APP_PREFIX')) {