I wouldn’t say the privacy issues are moot when running public services, as metadata is quite valuable. Cloudflare will get a lot of information like who your visitors are, how often they visit, how long are they staying on a page yada yada

This tempted me to try it. But I couldn’t get it to work in my homelab where outbound traffic is completely blocked. Any chance we can get a completely offline version of this?

You can give this a shot, it’ll cache the until you are back home then it’ll upload all of it. Plus it barely uses any battery. https://f-droid.org/en/packages/net.eneiluj.nextcloud.phonetrack/

Migrated from NC to FileBrowser Quantum and its super light weight. https://github.com/gtsteffaniak/filebrowser