Node & Express file downloading in 4 lines!

simpleDownloadServer.js

const app = require('express')()
const path = require('path')
const filePath = path.join(__dirname, 'raport.csv')
app.get('/', (req, res) => res.download(filePath))
app.listen(3000, () => console.log(`Server listening on port 3000!`))

// 1) Locate `node simpleDownloadServer.js` and `raport.csv` in the same directory
// 2) Execute in console `npm init && npm install express`, and then `node simpleDownloadServer.js`
// 3) Open in browser `http://localhost:3000/` in order to download `raport.csv`