For full stack (web+server), how do you reload the page when server changes?

[hsnoil]

For full stack (web+server), how do you reload the page when server changes?

I tried adding it in watch_path but that doesn't work, looking at verbose it isn't even tracking changes.

Only workaround I found was splitting the code up and adding it as a dependency of web, then it rebuilds the server. Is there a better/proper way to do it?