Fix startup

Server can now be executed with `npm start`.

@@ -108,6 +108,4 @@ function handleEvent(event) {
     });
   }
 
-app.listen(3000, function () {
-  console.log('Linebot listening on port 3000!');
-});
+module.exports = app;
\ No newline at end of file

@@ -7,6 +7,7 @@
 var app = require('../app');
 var debug = require('debug')('project:server');
 var http = require('http');
+var fs = require('fs');
 
 /**
  * Get port from environment and store in Express.
@@ -25,7 +26,9 @@ var server = http.createServer(app);
  * Listen on provided port, on all network interfaces.
  */
 
-server.listen(port);
+server.listen(port, function () {
+  console.log('Linebot listening on port ' + port + '!');
+});
 server.on('error', onError);
 server.on('listening', onListening);
 

@@ -5,7 +5,7 @@
   "main": "app.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "start": "node server.js"
+    "start": "node ./bin/www"
   },
   "author": "강수인",
   "license": "MIT",