php config file

web/add_provider.php

@@ -4,10 +4,13 @@
 // It uses the same Flask API as list_providers.php (http://172.25.1.105:5000).
 // When the form is submitted, it POSTs JSON to /providers.
 
+// file settings
+require_once __DIR__ . '/config.php';
+
 // Helper to call the API -------------------------------------------
 function callApi(string $method, string $path, $body = null)
 {
-    $url = 'http://127.0.0.1:5000' . $path;
+    $url = BASE_API_URL . $path;
     $ch  = curl_init($url);
     curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);