I\'ve been running a flask application with a celery worker and redis in three separated docker containers without any issue.
This is how I start it:
cele
Not enough rep yet for a comment:
This issue is tracked by the celery folks in: https://github.com/celery/celery/issues/5175
Leading to this PR: https://github.com/celery/celery/pull/5176
Which has been merged and reverted. Because some other fix landed. I'm not sure if this fixed it. It is no longer relevant for me.