Hey guys, I would need some help from you. I would like to add a webinterface from a other device in homeassistant. just like how a addon looks like in the sidebar. Is it possible with nginx proxy manager? I am using the Homeassistant Cloud for Remote Access and would like if I would not have to forward the port of the other device for security reasons.
If the web page allows embedding and if it uses the same security as your home assistant web page (http or https), then yes.
Settings → Dashboard → Add Dashboard → Webpage