I am using an app for this. It's called WebDavNav+ and there is a free version WebDavNav for evaluation.
You can create sync configurations and switch on auto sync.
I have an Odroid HC4 with Open Media Vault and docker which is my personal NAS. It runs a WebDav container and so on a daily basis my iPhone is backing up photos to my NAS using WebDavNav+.
Thanks! I mean I don't need anything fancy and honestly, I don't want to run a web server (I will if that's what's needed, it's better than this Shortcuts hell). I feel I shouldn't need fancy tools to do some pretty basic things, you know?
I'll be honest, I'm just a bit pissed Apple intentionally handicaps powerusers, and pushes people into their paid solutions. It's one thing to offer a paid solution, it's another thing to create a problem and then sell the solution. I mean just an iCloud backup isn't even good enough. Don't they know 3-2-1?
I see your point. I already had the NAS in place so it was a nobrainer for me, but if you just want to backup to computer you can still run a light webdav server on your computer. For example, I am using dufs [0], which is very easy to deploy and configure.
You can create sync configurations and switch on auto sync.
I have an Odroid HC4 with Open Media Vault and docker which is my personal NAS. It runs a WebDav container and so on a daily basis my iPhone is backing up photos to my NAS using WebDavNav+.