app.js

var express = require('express')
  , io = require('socket.io');

var app = express()
  , server = require('http').createServer(app)
  , io = io.listen(server);

server.listen(3000);

io.sockets.on('connection', function(socket) {
  socket.emit('news', { hello: 'world' });
  socket.on('my other event', function(data) {
    console.log(data);
  });
});

hello.js

var http = require('http');

http.createServer(function (request, response) {
  response.writeHead(200, {'Content-Type': 'text/plain'});
  response.end('Hello World\n');
}).listen(8124);

console.log('Server running at http://127.0.0.1:8124/');

index.js

var socket = io.connect('https://dev-gw.beluga2010.jp', {
  resource: 'tajima/socket-api/socket.io'
});
socket.on('news', function (data) {
  console.log(data);
  socket.emit('my other event', { my: 'data' });
});

packag.json

{
  "name": "beluga-socket-api",
  "description": "Beluga socket.io server",
  "version": "0.0.1",
  "private": true,
  "dependencies": {
    "express": "3.x",
    "socket.io": "0.9.10"
  }
}