const express = require("express"); const cors = require("cors"); const app = express(); const PORT = 3000; app.use(cors()); app.use(express.json()); app.get("/", (req, res) => { res.json({ message: "Smart Home fonctionne" }); }); app.listen(PORT, () => { console.log(`Serveur lancé sur http://localhost:${PORT}`); });