Build fails. (The base image is out of date for the texlive repository.)

[marineotter]

I will modify it and submit a pull request. I will put up an Issue for the record.

The error log is as follows

ERROR [2/5] RUN tlmgr option repository http://mirror.ctan.org/systems/texlive/tlnet ...

#5 6.631 tlmgr: Local TeX Live (2020) is older than remote repository (2022).