Centos 7 with Systemd Dockerfile

Dockerfile

FROM centos:7
MAINTAINER "orion" <[email protected]>

# Steps needed to use systemd enabled docker containers.
# Reference: https://hub.docker.com/_/centos/
ENV container docker
RUN (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/*;

RUN yum install -y glibc-common && yum clean all
# Locale.  Needed for postgres.
# Centos does not have locale-gen, the equivalent command is localedef.
RUN localedef -c -f UTF-8 -i en_US en_US.UTF-8
RUN localedef -c -f UTF-8 -i ja_JP ja_JP.UTF-8
RUN localedef -c -f UTF-8 -i de_DE de_DE.UTF-8
RUN localedef -c -f UTF-8 -i af_ZA af_ZA.UTF-8

EXPOSE 22

CMD ["/usr/sbin/init"]

LXD is better for this