How do I hard reset with docker

So i wanted to check out home assistant and used docker to put it on my Ubuntu. in the setup i put a random password thinking my password manager would handle that but it did not. So now im locked out of a blank system.
so i tried to just dump the container and restart
docker container stop
docker container prune
docker volume prune
docker rmi …
and start from scratch but the configuration is still there so what do i need to reset to get a blank config.
to restart?

hope you can help.
Jens

You mounted a volume to the docker container during setup. It has your config in it. Delete that.

You only needed to delete the authentication files, so for next time: https://www.home-assistant.io/docs/locked_out/#start-a-new-onboarding-process

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