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FROM centos:7 RUN set -x && \ yum -y update && \ yum -y install \ autoconf \ automake \ curl \ gcc \ git \ make \ python \ rpm-build RUN set -x && \ mkdir -p /root/rpmbuild/{SOURCES,SPECS,RPMS} WORKDIR /root/rpmbuild CMD ["bash", "-c", "while true; do echo -n .; sleep 1; done"]