Exposes the Express server express object, allowing you to call various Express API to customize the web server. This is typically used in the start.js file to setup custom routes, etc.
The profoundjs.server.express object is not exposed until the profoundjs.server.listen() API has been called.
Example
Serve static path
profoundjs.server.app.get('/angular',
profoundjs.server.app.use(profoundjs.server.express.static('../angular')));