What are the best practices for using environment variables in my application?
The best practices include keeping sensitive data out of your codebase, using a .env file, and validating variables.
How do I set up a .env file?
You can create a .env file in your project root and define your variables in the format KEY=VALUE.
Should I commit my .env file to version control?
No, you should add it to your .gitignore file to prevent sensitive information from being exposed.
What libraries can help manage environment variables?
Libraries like dotenv for Node.js or python-dotenv for Python can help you manage environment variables easily.
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