Dmitri Fedotov developed a feature for the sapcc/go-makefile-maker repository that introduced Docker image tagging based on the Git commit hash, improving deployment traceability and CI/CD reliability. He implemented this by updating the GitHub Actions workflow to automatically generate images tagged with the commit SHA, and revised the README to document the new tagging strategy. Working primarily with Go, Docker, and CI/CD tools, Dmitri focused on process enhancements rather than bug fixes during this period. His work laid the foundation for more robust release processes, demonstrating depth in DevOps practices and attention to maintainable, transparent deployment pipelines within the project.