SIGQUIT considered harmful

[ricardobranco777]

Bug Overview

I've been running the docker-compose e2e tests and noticed that some processes dumped core and the culprit was the nginx:alpine image that sets STOPSIGNAL to SIGQUIT, which dumps core, thus filling up space in the filesystem and risking exposing whatever is stored on memory.

Expected Behavior

This image shouldn't have a STOPSIGNAL that dumps core.

Steps to Reproduce the Bug

Run the docker image and stop it.

Environment Details

openSUSE Tumbleweed.

Additional Context

Disabling dumping core is not an option.

[ricardobranco777]

This is worse than I expected since nginx itself has this tradition of using SIGQUIT instead of some other signal:
https://docs.nginx.com/nginx/admin-guide/basic-functionality/runtime-control/

Closing as this won't be fixed here.