const express = require('express'); const path = require('path'); const app = express(); const port = process.env.PORT || 3000; app.use(express.static(path.join(__dirname, 'public'))); app.get('/health', (_req, res) => { res.status(200).json({ status: 'ok' }); }); app.listen(port, () => { console.log(`Server listening on port ${port}`); });