Developed an environment-driven configuration feature for the pinterest/gestalt repository, enabling dynamic control of Next.js basePath and trailingSlash settings through the BASE_PATH environment variable. This approach ensured that these configuration options are only applied when BASE_PATH is defined, streamlining multi-environment deployments and minimizing configuration drift. By leveraging JavaScript and Next.js, the work improved deployment reliability and maintainability, reducing the risk of environment-specific issues. The implementation focused on clear, traceable changes, referencing relevant issues for maintainability. This contribution demonstrated a practical application of configuration management principles to enhance the flexibility and robustness of deployment workflows in a production codebase.