Docker image for CI missing
The CI fails https://git8.cs.fau.de/software/copar-benchmarks/-/jobs/8326 with the message:
Running with gitlab-runner 11.8.0 (4745a6f3)
on git8 z5_zxUUg
Using Docker executor with image /software/copar-benchmarks/latex ...
Pulling docker image /software/copar-benchmarks/latex ...
ERROR: Preparation failed: invalid reference format (executor_docker.go:168:0s)
Will be retried in 3s ...
Using Docker executor with image /software/copar-benchmarks/latex ...
Pulling docker image /software/copar-benchmarks/latex ...
ERROR: Preparation failed: invalid reference format (executor_docker.go:168:0s)
Will be retried in 3s ...
Using Docker executor with image /software/copar-benchmarks/latex ...
Pulling docker image /software/copar-benchmarks/latex ...
ERROR: Preparation failed: invalid reference format (executor_docker.go:168:0s)
Will be retried in 3s ...
ERROR: Job failed (system failure): invalid reference format (executor_docker.go:168:0s)
Probably, it suffices to set the environment variable $CI_REGISTRY
accordingly (it seems to expand to the empty string, causing the issue)