add configuration file for app

README.md

@@ -6,14 +6,29 @@ An example NodeJS application which uses an event-stream to push notifications t
 Configuration
 -------------
 
-Edit stream.js and set your twitter username password to see twitter's stream.
+Method 1:
 
-	var username = 'twitter_username', //ie: 'chovy'
-			password = 'twitter_password'; //ie: 'xxxxx'
+	export TWITTER_USERNAME='your_username';
+	export TWITTER_PASSWORD='your_password';
 
-Go to last line and change your IP number to whatever IP you are serving from and port number if different than 8080, or you can use 'localhost' to test locally.
+Method 2:
 
-	}).listen(8080, "192.168.1.1");
+...or edit config.js and set your twitter username password.
+
+	config.twitter_username = process.env.TWITTER_USERNAME || 'my_username';
+	config.twitter_password = process.env.TWITTER_PASSWORD || 'my_password';
+
+
+config.js 
+---------
+
+Edit config.js and set your port number to listen on and IP address (you can use 'localhost' too).
+
+	config.port = 8080;
+	config.address = '192.168.1.64';
+
+Modules
+-------
 
 You may need to install some missing modules with npm. http://npmjs.org/
 

config.js

@@ -0,0 +1,8 @@
+var config = {};
+
+config.port = 8080;
+config.address = '192.168.1.64';
+config.twitter_username = process.env.TWITTER_USERNAME || 'my_username';
+config.twitter_password = process.env.TWITTER_PASSWORD || 'my_password';
+
+module.exports = config;

stream.js

@@ -4,6 +4,7 @@ var http = require('http'),
 		sys = require("sys"),
 		spawn = require("child_process").spawn,
 		jsonline = require('json-line-protocol').JsonLineProtocol,
+		cfg = require('./config');
 		fs = require("fs");
 
 http.createServer(function (req, res) {
@@ -12,8 +13,8 @@ http.createServer(function (req, res) {
 
 	if ( uri == '/stream' ) {
 		var jsonTwitter = new jsonline();
-		var username = 'twitter_username',
-				password = 'twitter_password';
+		var username = cfg.twitter_username,
+				password = cfg.twitter_password;
 		var options = {
 			host: 'stream.twitter.com',
 			port: 80,
@@ -116,6 +117,6 @@ http.createServer(function (req, res) {
 			});
     });
 	}
-}).listen(8080, "192.168.1.64");
+}).listen(cfg.port, cfg.address);
 
-console.log('Server running at http://192.168.1.64:8080/');
+console.log('Server running at http://'+cfg.address+':'+cfg.port+'/');