use protmetcore as parent - see https://github.com/Bioconductor/bioc_docker/issues/31#issuecomment-302678555
use protmetcore as parent - see https://github.com/Bioconductor/bioc_docker/issues/31#issuecomment-302678555

Bioconductor/bioc_docker,Bioconductor/bioc_docker,Bioconductor/bioc_docker