It's also widely accepted as one of the tools of choice for package persistence on immutable distros (distrobox/toolbox is also another approach):
https://docs.projectbluefin.io/bluefin-dx/
Also, for example I use it for package management for KASM workspaces:
https://gist.github.com/jgbrwn/28645fcf4ac5a4176f715a6f9b170...