Worked on the elie222/inbox-zero repository to enhance repository hygiene and privacy by addressing Docker Compose configuration management. Focused on decoupling local override files from shared project settings, the developer updated the .gitignore to exclude docker-compose.override.yaml and docker-compose.override.yml, preventing accidental commits of sensitive local configurations. This targeted feature improved security and ensured that private settings would not interfere with collaborative workflows or continuous integration reliability. The work was implemented using Git for version control and YAML for configuration, with Docker as the core technology. Maintenance efforts emphasized clean pull requests and stable shared environments without introducing major code changes.