Wouldn't mapping it directly to truenas be somewhat slow especially if I'm always on the go? My Truenas server is at at home while I dorm on campus, so I'm not sure if it would work out well. Plus, I've had a lot of issues with truenas + my hardware which led to me keeping this server mostly down over the last year or so. Everything seems stable and works fairly well now, but just airing on the side of caution.
Does NC photos have tagging? Auto-tagging is why I've always been with Google Photos tbh, an alternative would be nice though.
That said, my mac is mostly code, some emulation related stuff (thus the 10 gb limit of tresoit being annoying for me), and some documents/notes. My media is already self-hosted on jellyfin which works great atm, but I have it on my dropbox as well right now.
I've heard a lot of issues (from a few old reddit threads though) in regards to NC Encryption, specifically with data loss and file integrity. I don't think I'm comfortable going that route, but if they've made improvements I might as well check it out
Also, correct me if I'm wrong, but isn't Hetzner EU only? If I'm in the U.S., wouldn't that make file syncs rather slow?