Dockerfile to build a modern-fortran Docker image. It's based off Ubuntu 18.04 and installs gfortran, OpenMPI, and OpenCoarrays.
docker build . -t modern-fortran:latest
If the build is successful, you'll be able to see your new image, for example:
docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
modern-fortran latest 0e5c745c8928 6 minutes ago 546MB
docker run -it modern-fortran:latest /bin/bash