+# enable systemd;
+# @see https://hub.docker.com/_/centos/
+ENV container docker
+
+RUN echo "===> Enabling systemd..." && \
+ (cd /lib/systemd/system/sysinit.target.wants/; for i in *; do [ $i == systemd-tmpfiles-setup.service ] || rm -f $i; done); \
+ rm -f /lib/systemd/system/multi-user.target.wants/*; \
+ rm -f /etc/systemd/system/*.wants/*; \
+ rm -f /lib/systemd/system/local-fs.target.wants/*; \
+ rm -f /lib/systemd/system/sockets.target.wants/*udev*; \
+ rm -f /lib/systemd/system/sockets.target.wants/*initctl*; \
+ rm -f /lib/systemd/system/basic.target.wants/*; \
+ rm -f /lib/systemd/system/anaconda.target.wants/* && \
+ \
+ \
+ echo "===> Installing EPEL..." && \