This chapter is an in-depth guide to configuring the database layer of our MEAN stack web application using MongoDB and the Mongoose framework. We will cover some common issues with modeling and validating data, as well as how to query our database for exactly what we are looking for.

The recipes covered in this chapter are as follows:

• How to set up and create a MongoDB database
• Connecting to MongoDB through Mongoose
• Working with data model in MongoDB and Mongoose
• Querying for data using Mongoose query selectors