Obsidian Sync now has a headless client, so you can sync vaults to a server without using the desktop app.

Try the open beta:

Obsidian Headless Sync (open beta)
https://help.obsidian.md/sync/headless
Headless Sync - Obsidian Help

Obsidian Sync offers a headless client to sync vaults without using the desktop app. Useful for CI pipelines, agents, and automated workflows. Sync the latest changes or keep files continuously up to date.

Obsidian Help
@obsidian Will this work with mobile clients?
@taoeffect @obsidian How should it be possible?
@FS @obsidian the mobile client connects to the server this thing is syncing to
@obsidian Really happy to see this!
Hey, this replaces my complicated NFS share setup!