Specify GitLab image as env variable (!104) · Merge requests · wortschi-import-test / gitlab-migration-large-import-test / migration-test-project · GitLab

Organize similar jobs so that there are less number of places to change in case we need to change something (like below)
Specify GitLab image as env variable, if provided. This is required for https://gitlab.com/gitlab-org/build/team-tasks/issues/70

Edited Dec 11, 2017 by Martin Wortschack