app stuck on loading screen when run through Docker image

[adfi]

Hi, I'm trying to run a shinylive app from inside a Docker image but the app doesn't go beyond the honeycomb loading screen. I'm a bit out of my depth here so not sure where the problem lies.

To create the Docker image I followed these instructions (at the bottom). I also tried alternative webservers (nginx, busybox) but that didn't work either. There are no errors in the logging that can help.

I'd appreciate any suggestions or fixes I could try.

[adfi]

As is usually the case with these things I get an idea after I've posted the issue. So looking in the browser Javascript Console there is an error. The stacktrace seems pretty long but here's the beginning and end bit of it: