Add /state/register to create a named session, which can be used to load

data to from other sessions.
3 jobs for named-sessions in 27 seconds
Name Stage Failure
build:image Build Image
Downloading artifacts for build:sdist (27884)...
Downloading artifacts from coordinator... ok id=27884 responseStatus=200 OK token=MsLq5Fgh
$ FRACTALIS_VERSION=$(grep version | grep -o "[0-9]\+.[0-9]\+.[0-9]\+")
$ SDIST=fractalis-$FRACTALIS_VERSION.tar.gz
$ docker build -t $DOCKER_USER/$DOCKER_IMAGE_TAG -f docker/Dockerfile --build-arg SDIST=dist/$SDIST .
invalid argument "SECURE/fractalis:0.5.2" for "-t, --tag" flag: invalid reference format: repository name must be lowercase
See 'docker build --help'.
ERROR: Job failed: exit code 125