Hi all! I'm running dagster in docker (pretty much as in your docs) and it works fine. But now I need to run some docker containers from within a solid. Can you please suggest the best way to do it?

This is a pretty complex question - what will work best for you depends a lot on your setup. http://tdongsi.github.io/blog/2017/04/23/docker-out-of-docker/ Internally we generally use the “Docker-out-of-Docker” approach when we run in to this problem - but these situations are not dagster pipeline run in docker trying to run docker from solids