PR-994018: Adding support to Prefix url.

.env.example

@@ -3,4 +3,6 @@ ENV= #Default production
 #App Port
 PORT= #Default 80
 #Host
-HOST= #Default localhost
+HOST= #Default localhost
+#Prefix URL
+PREFIX_URL= #Default ''

package.json

@@ -1,6 +1,6 @@
 {
   "name": "test-list-app",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "Starter Kit of server side render of react with backend in go",
   "scripts": {
     "start": "cd build/server && ./react-server",

src/frontend/components/App.tsx

@@ -3,9 +3,10 @@ import PrincipalRoutes from './PrincipalRoutes';
 import { config } from '../../../config';
 
 const App = () => {
+	const { PREFIX_URL } = config;
 	if(config.ENV === 'development') {
 		useEffect(() => {
-			const ws = new WebSocket(`wss://${config.HOST}/ws`);
+			const ws = new WebSocket(`wss://${config.HOST}${PREFIX_URL}/ws`);
 			ws.onmessage = (event) => {
 				if (event.data === 'reload') {
 					window.location.reload();