@atomicthumbs
Congrats! you discovered the PID 1 zombie problem in Docker.
It is the responsibility of PID 1 to reap zombies. (see NOTES under wait(2). https://man7.org/linux/man-pages/man2/wait.2.html#NOTES)
You solve this with `--init`
https://docs.docker.com/reference/cli/docker/container/run/#init