switch to centos7 lifeboat

Dockerfile

 # docker build --build-arg BORT=develop . -f shellb3-cspp-py3.Dockerfile -t shellb3-cspp-py3:latest
 # docker run -e SHELLB3_ARCHIVE_DIR=/dock -it --rm -v $HOME/dock:/dock -w /opt/shellb3-cspp-py3/ShellB3 shellb3-cspp-py3 /bin/bash -l -c "unset LANG; bash shallbethree.sh bin_dist"
-FROM centos:7 as setup
-RUN yum -y install gcc-gfortran gcc-c++ unzip perl patch byacc bison flex glibc-devel.i686 glibc-devel.x86_64 xz epel-release wget make bzip2 xz automake autoconf m4 which
-RUN yum -y install git git-lfs
+FROM gitlab.ssec.wisc.edu:5555/cspp/buildbucket/centos-devel:7 as setup
+# RUN yum -y install gcc-gfortran gcc-c++ unzip perl patch byacc bison flex glibc-devel.i686 glibc-devel.x86_64 xz epel-release wget make bzip2 xz automake autoconf m4 which
+# RUN yum -y install git git-lfs
 RUN test -d /opt || mkdir /opt
 RUN test -d /work || mkdir /work
 COPY ShellB3 /opt/ShellB3