What are some tools for managing environment variables?

What are some tools for managing environment variables?

There are several tools available for managing environment variables, such as dotenv, direnv, and envsubst. Would you like to know more about any specific tool?

Can you explain how dotenv works?

Dotenv is a zero-dependency module that loads environment variables from a .env file into process.env in Node.js applications. This allows you to keep sensitive information like API keys out of your codebase.

Are there any best practices for using environment variables?

Yes, some best practices include keeping your .env files out of version control, using descriptive variable names, and not hardcoding sensitive information in your code.

What about security concerns with environment variables?

It's important to ensure that your environment variables are not exposed in logs or error messages. Additionally, consider using secret management tools for sensitive data.