Downloading artifacts for build:sdist (27881)...Downloading artifacts from coordinator... ok id=27881 responseStatus=200 OK token=cjRX-9Ds$ FRACTALIS_VERSION=$(grep version setup.py | grep -o "[0-9]\+.[0-9]\+.[0-9]\+")$ DOCKER_IMAGE_TAG="fractalis:$FRACTALIS_VERSION"$ 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 lowercaseSee 'docker build --help'.ERROR: Job failed: exit code 125