Work on login

php/auto/connection.php

@@ -1,8 +1,8 @@
 <?php
-$servername = getenv('DB_HOSTNAME');
-$username = getenv('DB_USERNAME');
-$password = getenv('DB_PASS');
-$dbname = getenv('DB_NAME');
+$servername = $_ENV['DB_HOSTNAME'];
+$username = $_ENV['DB_USERNAME'];
+$password = $_ENV['DB_PASS'];
+$dbname = $_ENV['DB_NAME'];
 
 try {
   $conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);
@@ -11,7 +11,7 @@ try {
   $conn->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
   $conn->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
 } catch(PDOException $e) {
-  echo json_encode(["error" => "error.connect.faild"]);
+  echo json_encode(["error" => "error.connect.faild", "exc" => $e->getMessage()]);
   exit;
 }