const express = require('express');
const path = require('path');


const instanceName = process.env.INSTANCE_NAME || 'unknown';


const app = express();
const port = 3000;


app.get('/', (req, res) => {
console.log(`[${instanceName}] Request received`);
res.sendFile(path.join(__dirname, 'index.html'));
});


app.listen(port, () => {
console.log(`[${instanceName}] Node app listening on port ${port}`);
});