During their two-month engagement, Fotis Kiriakos focused on security and CI/CD workflow improvements across the mozilla/kitsune and mozilla/blurts-server repositories. In mozilla/kitsune, Fotis enhanced build security by updating the .dockerignore file to prevent GCP credential files from being included in Docker images, reducing the risk of credential exposure. Later, Fotis refactored GitHub Actions workflows in both repositories to centralize parameter handling using environment variables, streamlining deployment processes and improving maintainability. Their work leveraged Docker, YAML, and GitHub Actions, demonstrating a methodical approach to DevOps and security challenges while delivering targeted, maintainable solutions without introducing unnecessary complexity.