fix(front-end): seo improvements with SSR

frontend/src/server.ts

@@ -4,6 +4,7 @@ import express from 'express';
 import { dirname, join, resolve } from 'node:path';
 import { fileURLToPath } from 'node:url';
 import bootstrap from './main.server';
+import { resolveRequestOrigin } from './core/request-origin';
 
 const serverDistFolder = dirname(fileURLToPath(import.meta.url));
 const browserDistFolder = resolve(serverDistFolder, '../browser');
@@ -39,13 +40,14 @@ app.get(
  * Handle all other requests by rendering the Angular application.
  */
 app.get('**', (req, res, next) => {
-  const { protocol, originalUrl, baseUrl, headers } = req;
+  const { originalUrl, baseUrl } = req;
+  const origin = resolveRequestOrigin(req);
 
   commonEngine
     .render({
       bootstrap,
       documentFilePath: indexHtml,
-      url: `${protocol}://${headers.host}${originalUrl}`,
+      url: `${origin ?? 'http://localhost:4000'}${originalUrl}`,
       publicPath: browserDistFolder,
       providers: [{ provide: APP_BASE_HREF, useValue: baseUrl }],
     })