The files in this directory create the Docker image containing the OOMMF installation, which is used by Ubermag if Ubermag uses Docker to execute oommf.
This directory can be ignored by most users, unless: (i) you want to build your own Docker container to provide OOMMF (and you are not happy with the one provided through oommf/oommf), or (ii) you want to update that container with a more recent version of OOMMF or newer/other OOMMF extensions.
We have a workflow that creates the container periodically:
Pushing the image to dockerhub is a manual procedure at the moment (file: push-image-to-dockerhub.sh).
See README one level up for more details on how to use the Docker container to run OOMMF.