Easy to use Docker Gui on Mac OS.
Kitematic.com makes it trivial to use Docker on Mac OS X. Just install the application, and choose your container.
They are my first choice recommendation for trying out the Forest. Of course when you go to their website, docker says that they have been deprecated. But AFAIK the software still works fine. For reasons I do not understand, the docker world if focussed on complex developer tools, rather than on making things easy for the end users.