Review and Secure Handling of Environment Variables

[timDeHof]

We need to ensure that our handling of environment variables is secure, especially for sensitive data like API keys. This task involves reviewing our current environment variable setup and implementing best practices for security.

Acceptance Criteria:

• Review current usage of environment variables.
• Implement best practices for securing sensitive data.
• Ensure no sensitive information is exposed in the code or version control.
• Document the environment variable management process.