FROM centos:7 ARG CTNG_UID ARG CTNG_GID RUN groupadd -g $CTNG_GID ctng RUN useradd -d /home/ctng -m -g $CTNG_GID -u $CTNG_UID -s /bin/bash ctng RUN yum install -y epel-release RUN yum install -y autoconf gperf bison file flex texinfo help2man gcc-c++ libtool make patch \ ncurses-devel python36-devel perl-Thread-Queue bzip2 git wget which xz unzip RUN ln -sf python36 /usr/bin/python3 RUN wget -O /sbin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v1.2.1/dumb-init_1.2.1_amd64 RUN chmod a+x /sbin/dumb-init RUN echo 'export PATH=/opt/ctng/bin:$PATH' >> /etc/profile ENTRYPOINT [ "/sbin/dumb-init", "--" ]