FROM centos:7 RUN yum groupinstall -y 'Development Tools' RUN yum install -y ruby && gem install asciidoctor -v 2.0.10 RUN yum install -y libstdc++-*.i686 \ && yum install -y glibc-*.i686 \ && yum install -y libgcc.i686 RUN ln -s /usr/bin/gcc /usr/bin/i686-linux-gnu-gcc ADD entrypoint.sh /entrypoint.sh ENTRYPOINT /entrypoint.sh