Greetings - How can I upgrade the linux base image to address security vulnerabilities with libxml2 and setuptools? I don't see a main Dockerfile, just the two for backend/frontend. <img width="1399" height="465" alt="Image" src="https://github.com/user-attachments/assets/3e1bbc06-de83-4a77-90c6-608d3b30cfdc" />