const express = require('express'); const bodyParser = require('body-parser'); let app = express(); app.use(bodyParser.json()); app.use(bodyParser.urlencoded({extended: true})); let progress = 0; app.listen(80); app.use(express.static(__dirname + '/client')); app.get('/', (req, res, next) => { res.status(200).sendFile('index.html'); }); app.get('/progress', (req, res, next) => { res.status(200).end(JSON.stringify({ progress: progress })); }); app.post('/progress', (req, res, next) => { progress = req.body.progress; res.status(200).end(JSON.stringify({ status: 'completed' })); });