Glance images were originally intended to be stored on the host (see
container Dockerfile) but the compose file was not doing this. The
right thing is to use a data container for image content.
Closes-bug: #1465401
Change-Id: I02d2aab2913356939d98b8c18f9e788ae6d901af
Co-Authored-By: Ryan Hallisey <rhallise@redhat.com>
2482f718f8