What are environment variables in a MERN stack application?
An example of an AI chatbot conversation about environment variables in MERN applications.
What are environment variables in a MERN stack application?
Environment variables are key-value pairs used to configure your application without hardcoding sensitive information.
How do I set up environment variables in a MERN app?
You can create a .env file in your project root and use the dotenv package to load these variables into your application.
Can you give me an example of how to use them in my code?
Sure! After loading dotenv, you can access variables using process.env.VARIABLE_NAME in your Node.js code.
What should I include in my .env file?
Typically, you would include sensitive information like database URLs, API keys, and any configuration settings.
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