Connect to MongoDB Database Using Mongoose
Explore the process of connecting a Node.js backend to MongoDB Atlas using the Mongoose library. Learn to generate a connection string, configure environment variables, set up the connection with proper parameters to prevent deprecation errors, and verify a successful connection through console logging.
To connect to the MongoDB Atlas database from our Node.js application, we need to use the mongoose.connect() method. This method takes in several parameters, one of which is a database connection string that allows us to access the database. The connection string is generated from the MongoDB Atlas dashboard.
Generating a connection string
To generate a database connection string, we need to head over to the MongoDB Atlas dashboard and click the “Connect” button.
Once we click the “Connect” button, a modal pops up with the following image:
From the three options provided in the modal pop-up, we’ll select ...