MAPG-203 use MULTI_WS_URL environment variable

views/game.php

@@ -59,7 +59,7 @@
 
 @section(pageScript)
 <script>
-    var multiUrl = '<?= $_ENV['MULTI_WS_HOST'] . ':' . $_ENV['MULTI_WS_PORT'] ?>';
+    var multiUrl = '<?= $_ENV['MULTI_WS_URL'] ?>';
     var roomId = <?= isset($roomId) ? '\'' . $roomId . '\'' : 'null' ?>;
     var mapId = <?= isset($mapId) ? '\'' . $mapId . '\'' : 'null' ?>;
 </script>