Web Application Development with MEAN

Chapter 2. Expense Tracker

In this chapter, we will see how to build an expense tracker application. It will store all of our expenses for a given category. We will be able to see an aggregated balance of our expenses, or expenses by category. Each user will have a separate account to manage their expenses.

Some of the interesting topics that we will cover are:

• Creating a multiuser system
• Working with monetary data
• Using the MongoDB aggregation framework
• Different authentication strategies, such as HTTP Basic and token-based authentication

Setting up the base application

Let's set up the base structure and files of our application. The whole source code for the project will be available as a bundle at https://www.packtpub.com/. Therefore, we are only ...