Nghi Nguyen Tran enhanced the decolua/9router repository by delivering a feature focused on Docker deployment automation and build reproducibility. He restructured the Dockerfile to support parameterized Bun images and integrated an npm-based build process, enabling flexible dependency management and persistent data handling. His work included comprehensive documentation in Markdown, providing clear operational guidance for containerized deployments. By leveraging skills in Docker, Node.js, and containerization, Nghi addressed challenges related to environment drift and deployment consistency. The depth of his contribution is reflected in improved reliability and scalability for production environments, though the scope was limited to feature delivery without bug fixes.