const express=require('express'); const app=express(); const PORT=process.env.PORT || 3000; app.use(express.json()); app.use(express.static('public')); app.use('/api', require('./api')); app.get('/api/has-nodejs', (req, res) => { res.json("yes"); }); app.listen(PORT, () => { console.log(`Listening on 0.0.0.0:${PORT}`); });