Connecting and persisting to MongoDB

MongoDB is a popular NoSQL database that focuses on high performance and availability. MongoDB implements a document model. The document model allows data that does not have a rigid structure. Documents comprise key-value pairs.

While MongoDB is typically identified as a NoSQL database, it does provide a SQL-like syntax.

In this recipe, we'll implement a task list using MongoDB as we have done in the previous recipes in this chapter.

Getting ready

1. As with the other databases in this chapter, we will be using Docker to provision a MongoDB database:

   $ docker run --publish 27017:27017 --name node-mongo --detach mongo:4

2. Assuming you do not have a copy of the PostgreSQL image locally, expect to see the following output while Docker downloads the image:

   Unable to find image 'mongo:4' locally
   4: Pulling from library/mongo
   23884877105a: Pull complete 
   bc38caa0f5b9: Pull complete 
   2910811b6c42: Pull complete 
   36505266dcc6...