During September 2025, Selarkin focused on enhancing the reliability of container deployments in the microsoft/rushstack repository. Addressing a configuration management challenge, Selarkin implemented a fallback mechanism in TypeScript that defaults to standard container settings when specific configurations are missing. This approach improved error handling within the container configuration process, reducing the risk of runtime failures and stabilizing CI/CD pipelines across diverse environments. By linking the fix to a tracked issue for traceability, Selarkin ensured maintainability and streamlined code review. The work demonstrated a thoughtful application of configuration management principles and TypeScript expertise to improve deployment robustness without introducing new features.