I think https://www.balena.io/cloud/ https://www.balena.io/cloud/ supports everything you mentioned, and they have also open sourced most of their stuff: https:

I think https://www.balena.io/cloud/ https://www.balena.io/cloud/ supports everything you mentioned, and they have also open sourced most of their stuff: https://www.balena.io/open https://www.balena.io/open I'm using them for my DIY projects, and the experience is great.