FROM            centos:7.9.2009
MAINTAINER      Colben colbenlee@gmail.com
ARG             ARCH
RUN             ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
                    && rm -f /etc/yum.repos.d/CentOS-* \
                    && echo -e "[centos7]\n\
name=centos base\n\
baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/centos${ARCH:+-altarch}/\$releasever/os/\$basearch/\n\
enabled=1\n\
gpgcheck=0\n\
" > /etc/yum.repos.d/centos7.repo \
                    && yum makecache fast \
                    && yum update -y \
                    && yum -y install less iproute \
                    && rm -rf /var/cache/yum \
                    && rm -rf /var/log/*
ENV             PS1='\[\e[33;1;1m\][\[\e[0m\]\[\e[35;1m\]\u\[\e[0m\]\[\e[33;1;1m\]@\[\e[0m\]\[\e[31;1;1m\]docker\[\e[0m\]\[\e[32;1;1m\](\h)\[\e[0m\]\[\e[33;1;1m\]:\[\e[0m\]\[\e[32m\]\w\[\e[0m\]\[\e[33;1;1m\]]\[\e[0m\]\[\e[36m\]\$\[\e[0m\] '
ENV             PS2='\[\e[36m\]>\[\e[0m\] '
ENV             LANG=en_US.UTF-8