see if this helps with postgres image issues
maybe add a comment on what this is for future versions of us?
@alangenfeld should this be docker system prune instead?
ill try that - this approach didnt clean up the problematic image https://buildkite.com/dagster/dagster/builds/7762#17ae304c-9798-484d-9b7d-1c18c657d014
docker system prun