Refactor configuration handling: implement dynamic loading of config and cache paths for improved security and flexibility in Docker environments

index.php

@@ -1,5 +1,5 @@
 <?php
-require __DIR__ . '/config.php';
+require __DIR__ . '/inc/load-config.php';
 require __DIR__ . '/inc/assets.php';
 require __DIR__ . '/inc/security-headers.php';
 send_security_headers();