feat: Serve react app through express server

packages/backend/src/helpers/web-ui-handler.ts

@@ -0,0 +1,16 @@
+import express, { Application } from 'express';
+import { dirname, join } from 'path';
+import appConfig from '../config/app';
+
+const webUIHandler = async (app: Application) => {
+  if (appConfig.serveWebAppSeparately) return;
+
+  const webAppPath = require.resolve('@automatisch/web');
+  const webBuildPath = join(dirname(webAppPath), 'build');
+  const indexHtml = join(dirname(webAppPath), 'build', 'index.html');
+
+  app.use(express.static(webBuildPath));
+  app.get('*', (_req, res) => res.sendFile(indexHtml));
+};
+
+export default webUIHandler;