How do I manage environment variables in a React CLI app?
You can manage environment variables in a React CLI app by creating a .env file in the root of your project.
What format should I use for the variables in the .env file?
The format should be KEY=VALUE, for example, REACT_APP_API_URL=https://api.example.com.
Are there any specific prefixes I need to use?
Yes, all environment variables that you want to expose to your React app must start with REACT_APP_.
How can I access these variables in my code?
You can access them using process.env.REACT_APP_YOUR_VARIABLE_NAME in your React components.
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