Worked on the rails/rails repository to enhance deployment hygiene by restructuring Gemfile dependencies using Ruby and Ruby on Rails. Focused on gem management, the developer moved the kamal gem into the development group, ensuring it is only used during development and excluded from production builds. By consolidating kamal and web-console into a single development group, they eliminated duplicate group declarations and clarified the separation between development and production dependencies. This approach reduced the production bundle size, improved deployment safety, and made the codebase more maintainable. The work demonstrates careful attention to dependency management and deployment best practices in software development.