socket io sorum var

const app = require('express')();
const http = require('http').Server(app);
const io = require('socket.io')(http);

app.get('/', (req, res) => {  res.send("Hello");});

io.on('connection', (socket) => {  console.log('asd');});

http.listen(3000, () => {  console.log('*:3000');});