fixed ui environment vars issue

scripts/serve.ts

@@ -0,0 +1,8 @@
+import { environment } from '../src/environments/environment';
+
+import * as child from 'child_process';
+
+child.spawn(
+  `ng serve --host ${environment.ui.host} --port ${environment.ui.port} --servePath ${environment.ui.nameSpace} --ssl ${environment.ui.ssl}`,
+  { stdio:'inherit', shell: true }
+);