```node
const express = require('express');
const app = express();
app.use(express.static('public'));
/*
the path module tells gives the absolute path to the file (i.e., where the file is on THIS machine, not where it is relative to the server)
*/
app.all('/', (req, res) => {
res.sendFile(path.join(__dirname + '/node.html'));
});
app.listen(3000, () => 'listening on port 3000');
```