Currently the ruff docker container is based on Debian 12 "Bookworm".
See published tags: https://github.com/astral-sh/ruff/pkgs/container/ruff/versions?filters%5Bversion_type%5D=tagged

Would be nice to also have a more modern option like 0.14.6-trixie and 0.14.6-trixie-slim!

Thanks for building ruff (and uv and ty), we use them every day :)