How do I use environment variables in a React app?
An example of an AI chatbot conversation about using environment variables in React apps.
How do I use environment variables in a React app?
You can use environment variables in a React app by creating a .env file in the root of your project. Variables should start with REACT_APP_.
Can you give me an example of how to set one up?
Sure! In your .env file, you might have REACT_APP_API_URL=https://api.example.com. Then, you can access it in your code using process.env.REACT_APP_API_URL.
Are there any limitations I should be aware of?
Yes, all environment variables in React are embedded into the build, so they are publicly accessible. Avoid storing sensitive information.
What if I need different variables for development and production?
You can create different .env files like .env.development and .env.production, and React will use the appropriate one based on the build.
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