Add configuration for GitLab CI

2 jobs for test in 19 seconds (queued for 1 second)
Status Name Job ID Coverage
  Test
passed check_compile #54995
group

00:00:09

 
  Deploy Image
failed gitlab_deploy #54996
group

00:00:10

 
Name Stage Failure
failed
gitlab_deploy Deploy Image
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded
$ docker build --tag "${CI_REGISTRY_IMAGE}/$image:${CI_COMMIT_TAG}" .
invalid argument "git.gfz-potsdam.de:5000/geoperil/global-grid-datasets/:test" for "-t, --tag" flag: invalid reference format
See 'docker build --help'.
Cleaning up file based variables
ERROR: Job failed: exit code 125