MERN Login Form, Node JS Login API, MERN Blog App – Part 3 by Intellipaat

"Creating a login API in NodeJS is like building a bridge between front and back end, with credentials as the key to accessing the database. It’s like setting up the stage for a great show, with MongoDB as the star performer. Just like connecting the dots, we set the course options and establish the database connection, ensuring a smooth sail ahead. It’s like painting a masterpiece, where every stroke matters. And that’s how we pave the way for a seamless user experience. Connect to the database and let the magic begin! βœ¨πŸŽ¨πŸ”—"

Development Process πŸ› οΈ

In the previous stage, we were able to finish the navigation and menu of our website project. Now we will focus on creating the login API in Node JS. But first, we urge you to subscribe to the Intellipath YouTube channel and don’t forget to press the notification bell for more updates from our team. Without any delay, let’s head over to our code editor.

Creating the MongoDB Database πŸ“¦

To start with the login API, we need to create our database. First and foremost, we will be using MongoDB. If you don’t have an account yet, you can create one here and log in with your Google account. Additionally, we will be using MongoDB Compass, which is a GUI interface for MongoDB to keep track of all our data. You can download MongoDB Compass for free, and we will be using this tool to create and manage our database.

Setting Up the Database πŸ“Š

After creating an account and setting up MongoDB Compass, we will proceed to create our database. This will involve providing a name for the cluster and creating permissions for accessing the database. Once that is set up, we will connect to our database, and it will be ready for use.

Configuring the Environment Variables πŸ”

To ensure the security of our project, we will need to store sensitive information, such as database URLs and passwords, using environment variables. This ensures that our critical data remains secure and inaccessible to unauthorized users.

Initializing the Backend Server πŸš€

Now that our database is set up and the environment variables are configured, we will proceed to initialize the backend server. This involves installing necessary packages, such as Express and Mongoose, to manage the server and handle data storage.

Handling Middleware and Connections 🌐

We will also handle middleware such as CORS and Multer, which are essential for managing server connections and handling file uploads. Setting up these middleware ensures smooth communication between the front and back end.

Establishing Database Connection πŸ“‘

The next step is to establish a secure connection between our project and the MongoDB database. We will configure the environment variables to securely manage our database URL, username, and password.


After completing these preliminary steps, our MERN stack-based login API using Node JS is ready to be developed further. We have laid the foundation for a secure and efficient login form that ensures the safety of user data.

Key Takeaways:

  • Setting up MongoDB and MongoDB Compass for database management
  • Securing sensitive information using environment variables
  • Initializing backend server and handling middleware for smooth communication
  • Establishing a secure database connection for data retrieval and management


  • Why is it essential to configure environment variables for database access?
    • Environment variables ensure the security and integrity of sensitive data such as database credentials.
  • What are the benefits of using MongoDB Compass for database management?
    • MongoDB Compass provides a user-friendly GUI interface for managing and visualizing MongoDB data, making it easier to work with databases.

About the Author

About the Channel:

Share the Post: