Airflow with docker compose in specific path

I’m guessing that this app is not expecting to be served on /flow/?

It’s possible that it might function if you strip the /flow/ path from the URI before proxying the request to Airflow. It’s also possible that it might “work” but with errors - missing assets like images, JavaScript and the like. I wrote a bit about this particular class of issue:

If you want to try stripping the path and see if that works, you can use something like the example at the top of that post, using handle_path to take care of it.