That’s easily Home Assistant. It got me into the whole home automation stuff and I have gradually included more and more parts into it - including some health related stuff. It really makes my family’s life easier and helps us organizing it.

That’s the way to do it. The problem is that the request originates from the browser of you website visitor. You need to open a path for them to you media server. Nginx and it’s reverse proxy functionality is exactly what you need for that.