On: I've been building a Markdown note-taking app for ...

[jfreax]

You can already self host it by using a CouchDB compatible server. See: https://docs.inkdrop.app/manual/synchronizing-in-the-cloud

I didn't not try it myself, but it looks quite easy to setup.

[techntoke → jfreax]

Why would you use CouchDB when flat files already maintain revision history in a Git repo? That is the advantage of Markdown and you've somehow made it more complicated than it should ever be. Google Drive also retains file revisions for you.