Fixes #12926 - rails demo not working
Fixes #12926 - rails demo not working

Remove the `COPY ../compose /mydir` line from Dockerfile as this is no longer allowed, and does not seem to be necessary
thaJeztah/docker.github.io,docker/docker.github.io,docker/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,docker/docker.github.io,docker/docker.github.io,thaJeztah/docker.github.io