MERN E-commerce Environment Variables

The video tutorial explains how to set up environment variables using the dot ENV package. It covers installing and configuring dot ENV, creating a .env file, and using environment variables in server.js. The tutorial emphasizes the importance of securing the .env file by adding it to .gitignore to prevent exposing sensitive information. Additionally, it discusses transitioning from CommonJS to ES modules for a consistent module system across frontend and backend.

What is the primary purpose of using the 'dotenv' package in a Node.js application?

• To create a database

• To manage environment variables

• To install Node.js packages

• To run the server

Which command is used to install the 'dotenv' package?

• npm install dotenv

• npm update dotenv

• npm start dotenv

• npm run dotenv

What should you do after adding a new environment variable to the .env file?

• Restart the server

• Reinstall Node.js

• Run npm update

• Delete the .env file

Why is it important to add the .env file to .gitignore?

• To prevent sensitive information from being exposed

• To ensure the server runs faster

• To allow multiple users to access it

• To make the file read-only

What is the benefit of switching from CommonJS to ES modules?

• To increase server speed

• To use a more modern syntax

• To improve database connectivity

• To reduce file size