text: var server = require('http').Server();
  var io = require('socket.io')(server);
  var Redis = require('ioredis');
  var redis = new Redis();
  
  
  redis.subscribe('test-channel');
  console.log(redis);
  redis.on('message', function(channel, message){
    console.log('in---');
    console.log(message);
    console.log(channel);
  });
  
  server.listen(3000);