Adminer is [no longer maintained (upstream)](https://www.youtube.com/watch?v=OrOtiu_nfHE&lc=Ugy8pAL8wgAL3_iKkzZ4AaABAg.9pj_kQ2rkuw9pp813OyHha):

> I've stopped working on it but maybe I'll return to it some day.

See also [TimWolla/docker-adminer#147](https://github.com/TimWolla/docker-adminer/issues/147). Users are strongly encouraged to seek alternatives.