var app = require('express')();

var http = require('http').Server(app);

var io = require('socket.io')(http);

var port = process.env.PORT || 3000;

app.get('/', function(req, res){

res.sendFile(__dirname + '/index.html');

});

io.on('connection', function(socket){

socket.on('chat message', function(msg){

io.emit('chat message', msg);

});

});

http.listen(port, function(){

console.log('listening on *:' + port);

});