const express = require("express"); const axios = require("axios"); const app = express(); const PORT = 3000; app.get("/api/stacks", async (req, res) => { try { res.json([{ name: "stack1" }, { name: "stack2" }]); } catch (err) { res.status(500).json({ error: err.message }); } }); app.listen(PORT, () => { console.log(\`Backend läuft auf http://localhost:\${PORT}\`); });