systemd&&docker镜像支持systemd

FROM centos:7
RUN curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo && \
    sed -i -e '/mirrors.cloud.aliyuncs.com/d' -e '/mirrors.aliyuncs.com/d' /etc/yum.repos.d/CentOS-Base.repo && \
    curl -o /etc/yum.repos.d/epel.repo https://mirrors.aliyun.com/repo/epel-7.repo  && \
    yum makecache &&  \
    yum install -y which wget openvpn telnet && \
    yum clean all &&  \
    curl -o /usr/bin/systemctl https://raw.githubusercontent.com/gdraheim/docker-systemctl-replacement/master/files/docker/systemctl.py && \
    chmod +x /usr/bin/systemctl  &&  \
    true



WORKDIR /root