text: var app   = require('express')();
  var http  = require('http').Server(app);
  var io    = require('socket.io')(http);
  var Redis = require('ioredis');
  var redis = new Redis();
  
  
  io.on('connection', function(socket){
      console.log('a user connected ' + socket.id);
  
  });
  http.listen(3000, function(){
      console.log('listening on *:3000');
      redis.subscribe("message");
      redis.on('message', function(channel, message) {
          console.log('Redis: Message on ' + channel + ' received!');
          console.log(message);
  
      });
  });
  