As you may recall, in Chapter 1, we installed Node.js on our local machine using the installer from http://nodejs.org . In Chapter 2, we rolled out servers and installed Node.js on Ubuntu servers. In Chapter 3, we installed modules and created our very own first Node.js module and published it to both npm and GitHub.
In this chapter, we will put it all together and utilize Node.js to create a service layer that can be used on any machine.
Note
A service layer, middle layer, or middle tier is the processing taking place between the front end and the database. It include business logic and processing data. The service ...