Only one config for client and server.

server/app.js

@@ -1,6 +1,6 @@
 'use strict';
 
-angular.module('ffffng').factory('app', function (fs) {
+angular.module('ffffng').factory('app', function (fs, config, _) {
     var express = require('express');
     var bodyParser = require('body-parser');
     var compress = require('compression');
@@ -10,8 +10,34 @@ angular.module('ffffng').factory('app', function (fs) {
     app.use(bodyParser());
 
     var clientDir = __dirname + '/../client';
+    var templateDir = __dirname + '/templates';
+
+    var jsTemplateFiles = [
+        '/config.js'
+    ];
 
     app.use(compress());
+
+    function serveTemplate(mimeType, req, res, next) {
+        return fs.readFile(templateDir + '/' + req.path, 'utf8', function (err, body) {
+            if (err) {
+                return next(err);
+            }
+
+            res.writeHead(200, {'Content-Type': mimeType});
+            res.end(_.template(body, { config: config.client }));
+
+            return null; // to suppress warning
+        });
+    }
+
+    app.use( function (req, res, next) {
+        if (jsTemplateFiles.indexOf(req.path) >= 0) {
+            return serveTemplate('application/javascript', req, res, next);
+        }
+        return next();
+    });
+
     app.use('/', express.static(clientDir + '/'));
 
     return app;