index.js

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

var amqp = require('amqplib/callback_api');

amqp.connect('amqp://localhost', function(err, conn) {
  conn.createChannel(function(err, ch) {
    var ex = 'logs';

    ch.assertExchange(ex, 'fanout', {durable: false});

    ch.assertQueue('', {exclusive: true}, function(err, q) {
      console.log(" [*] Waiting for messages in %s. To exit press CTRL+C", q.queue);
      ch.bindQueue(q.queue, ex, '');

      ch.consume(q.queue, function(msg) {
        console.log(" [x] %s", msg.content.toString());
        io.emit('chat message', msg.content.toString());
      }, {noAck: true});
    });
  });
});

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(3000, function(){
  console.log('listening on *:3000');
});