How to Access React Environment Variables on Netlify

How to Access React Environment Variables on Netlify

Learn how to Access React Environment Variables on Netlify. In order to use these variables, we can simply import react-dotenv in our components ( import env from 'react-dotenv' ) What is an Environment Variable? You CAN use environment variables are variables that are defined outside of your program and are made up of a name/value pair.

You’ve just completed the development of your latest React application, and you’re all set to share it with the rest of the world. The only thing left standing in your way is deploying the application.

There are dozens of ways to accomplish this, but this article will guide you on how to host your application on Netlify, as well as how to properly configure any frontend Environment Variables.

What is an Environment Variable?

Environment Variables are variables that are defined outside of your program and are made up of a name/value pair. You can then reference the name of the variable anywhere in your code in order to access its value.


  • Install react-dotenv npm package
  • Your application is properly synced to a Github repository
  • You have a  Netlify account

Hosting Your Project

Go ahead and login to your Netlify account, then navigate to the Team Overview tab. Click on the button to add a New site from Git. Select GitHub from the available providers, and this should prompt you to allow GitHub to access your credentials. Once logged in, you can search for your repository, select the branch to deploy, and configure the build settings. For now, we can leave the build settings alone and click Deploy site, but we’ll return to this a bit later once we’ve properly configured react-dotenv in our application.

Configure ‘react-dotenv’ library in your React application

With react-dotenv installed, let’s go into the package.json file and make the following edits. The "scripts" key should include react-dotenv as part of the "start" and "build" commands, as shown below:

"scripts": {

  "start": "react-dotenv && react-scripts start",
  "build": "react-dotenv && react-scripts build",
  "test": "react-scripts test",
  "eject": "react-scripts eject"

javascript react web-development programming netlify

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