I use https://www.photosync-app.com/home.html
On my phone and transfer photos when on home wifi AND phone being charged to my NAS. I have a private static photo gallery generated from my nas.
For static gallery generation, I use a project called sitelen-mute.
For static gallery generation, I use a project called sitelen-mute.
https://github.com/kensanata/sitelen-mute
No affiliation with either tools.