There is dockerized mailcow, which can work as server for DC, but it’s not recommended.
And there is maddy [ Frequently Asked Questions - maddy ], which has some issues but probably may be used for DC. Seems like it’s dockerized.
Feature request: Quotas and CONDSTORE for Delta Chat · Issue #727 · foxcpp/maddy · GitHub
Sure, chatmail docker image would be much appreciated.
So this is a feature request }:-)