add http-server part 7.9

backend/server.ts

@@ -1,12 +1,15 @@
 import express from 'express';
-import cors from 'cors'; // <--- hinzufügen
+import cors from 'cors';
 import { executeCommand } from './broker.js';
 
 const app = express();
-const port = 8090;  //TODO: OR 8080
+const port = 8090;
 
 //CORS aktivieren
-app.use(cors());
+//app.use(cors());
+app.use(cors({
+  origin: 'http://localhost:8080'
+}));
 
 app.post('/api/command', (req, res) => {
   executeCommand();