How to use environment variables in Node JS | dotenv Node JS

In this tutorial, I'll walk you through how to use environment variables in Node.js. I'll show step by step how to set up a .env file to load environment variables, and access them in your Node.js code. I'll use 2 methods to access environment variables, one of them is dotenv package and other is making a change in package.json file directly.
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[@AriellaDiskorsiaPrasasti]

but what if it's not just one file but 2 files that needs .env? what should i add in the script?

[@mitter-yourtechmate4376]

Hello, you will be able to use env variables in any of your .js files, after making changes to package.json. No additional changes needed to access it in multiple files. Thanks