Yunohost seems pretty good. I’ve only had experience with CasaOS as a self hosting framework.

I run all my stuff in Proxmox

Probably be Ente even if it does take a little bit to configure it and get a web UI and stuff. PhotoPrism was easy for me to get up and running with Proxmox and the great community scripts to setup a container but having to have photosync is a drawback I don’t care much for.

I believe both have something to like a memories feature

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I’ve been using Ente Photos, and PhotoPrism and I’ve been liking Ente pretty well. Little bit more work to get things setup and going but I’ve been enjoying it for the last few months