Wanxi Deng developed an automated Docker development environment setup for the alibaba/ROLL repository, focusing on streamlining onboarding and ensuring consistency across developer machines. Using Shell scripting and Docker, Wanxi authored the create_container.sh script to provision containers with correct user permissions and mounted host directories, allowing for reproducible environments with a single command. The solution reduced manual configuration and setup time for new contributors, standardizing the development process. The work demonstrated a focused approach, delivering a maintainable automation tool with minimal code footprint. Over the month, Wanxi applied DevOps practices to address environment provisioning challenges without introducing unnecessary complexity.