https://distribution.github.io/distribution/
is an opensource implementation of a registry.
you could also self host something like gitlab, which bundles this or sonatype nexus which can serve as a repository for several kinds of artifacts including container images.
define "adhd meds".
Not taking a stimulant shouldn't cause anxiety or depression, but going cold turkey for antidepressants might after a short while and just not taking those is nothing i'd recommend in any case.