What are some advanced features of dotenv?

What are some advanced features of dotenv?

Dotenv offers features like variable expansion, multiple .env files, and support for different environments.

Can you explain variable expansion?

Variable expansion allows you to reference other environment variables within your .env file, making it more dynamic.

How do I set up multiple .env files?

You can create different .env files for different environments, like .env.development and .env.production, and load them as needed.

Is there a way to validate the variables in my .env file?

Yes, you can use libraries like dotenv-safe to ensure all required variables are present in your .env file.