During October 2024, this developer optimized the Docker image build process for the haiwen/seafile-docker repository, focusing on Seafile Pro Server packaging. They restructured the Dockerfile to use a pre-downloaded Seafile Pro tarball, extracting the directory and eliminating the need for downloads during image builds. This approach improved build reliability, speed, and reproducibility, particularly in CI and deployment environments. The work demonstrated proficiency in Docker, Dockerfile optimization, and tarball packaging, resulting in a streamlined onboarding process for new environments. No major bugs were addressed during this period, and the changes maintained build stability without introducing regressions or disruptions.