heroku用モジュール、ポート番号調整

Procfile

@@ -0,0 +1 @@
+web: node app.js

app.js

@@ -4,6 +4,8 @@
  */
 
 var express = require('express')
+  , sys         = require('sys')
+  , request     = require('request')
   , routes = require('./routes');
 
 var app = module.exports = express.createServer();
@@ -63,6 +65,7 @@ app.get('/socket', function(req, res) {
   res.render('socketio', {title:'Socket.IO Demo'});
 });
 
-app.listen(3000, function(){
+var port = process.env.PORT || 3000
+app.listen(port, function(){
   console.log("Express server listening on port %d in %s mode", app.address().port, app.settings.env);
 });