diff --git a/lib/application.js b/lib/application.js
index 73c09726..d63e292d 100644
--- a/lib/application.js
+++ b/lib/application.js
@@ -252,6 +252,13 @@ app.boot = function(options) {
     app.set('port', appConfig.port);
   }
 
+  for(var configKey in appConfig) {
+    var cur = app.get(configKey);
+    if(cur === undefined || cur === null) {
+      app.set(configKey, appConfig[configKey]);
+    }
+  }
+
   // instantiate data sources
   forEachKeyedObject(dataSourceConfig, function(key, obj) {
     app.dataSource(key, obj);
diff --git a/package.json b/package.json
index f6853850..60daf80f 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,8 @@
     "loopback-datasource-juggler": "~1.2.0",
     "mocha": "~1.14.0",
     "strong-task-emitter": "0.0.x",
-    "supertest": "~0.8.1"
+    "supertest": "~0.8.1",
+    "chai": "~1.8.1"
   },
   "repository": {
     "type": "git",
diff --git a/test/app.test.js b/test/app.test.js
index 3787503a..46ff2576 100644
--- a/test/app.test.js
+++ b/test/app.test.js
@@ -31,21 +31,7 @@ describe('app', function() {
 
       assert(f instanceof loopback.Model);
     });
-  })
-
-  // describe('app.models()', function() {
-  //   it("Get the app's exposed models", function() {
-  //     var app = loopback();
-  //     var models = app.models();
-
-  //     models.forEach(function(m) {
-  //       console.log(m.modelName);
-  //     })
-      
-  //     assert.equal(models.length, 1);
-  //     assert.equal(models[0].modelName, 'color');
-  //   });
-  // });
+  });
 
   describe('app.boot([options])', function () {
     beforeEach(function () {
@@ -54,7 +40,9 @@ describe('app', function() {
       app.boot({
         app: {
           port: 3000, 
-          host: '127.0.0.1'
+          host: '127.0.0.1',
+          foo: {bar: 'bat'},
+          baz: true
         },
         models: {
           'foo-bar-bat-baz': {
@@ -72,11 +60,21 @@ describe('app', function() {
       });
     });
 
-    it('Load configuration', function () {
+    it('should have port setting', function () {
       assert.equal(this.app.get('port'), 3000);
+    });
+
+    it('should have host setting', function() {
       assert.equal(this.app.get('host'), '127.0.0.1');
     });
 
+    it('should have other settings', function () {
+      expect(this.app.get('foo')).to.eql({
+        bar: 'bat'
+      });
+      expect(this.app.get('baz')).to.eql(true);
+    });
+
     describe('PaaS and npm env variables', function() {
       beforeEach(function() {
         this.boot = function () {
diff --git a/test/support.js b/test/support.js
index 15999e40..2262e294 100644
--- a/test/support.js
+++ b/test/support.js
@@ -3,6 +3,7 @@
  */
  
 assert = require('assert');
+expect = require('chai').expect;
 loopback = require('../');
 memoryConnector = loopback.Memory;
 GeoPoint = loopback.GeoPoint;