anchor.diff:  COPY init.sh init.sh 
   RUN bash init.sh
   RUN rm init.sh
  -
  +# 时区  Asia/Shanghai
  +ENV TZ=Asia/Shanghai
  +RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
   
   #################################################
   # 配置sshd环境
  
positive.code: # ADD https://www.python.org/ftp/python/3.6.2/Python-3.6.2.tgz Python-3.6.2.tgz
  COPY Python-3.6.2.tgz Python-3.6.2.tgz
  
  # 执行个性化配置的安装
  COPY zshrc.sh zshrc.sh
  RUN cp zshrc.sh .zshrc
  RUN rm zshrc.sh
  
negative.code:         lrzsz \
          net-tools \
          iputils-ping \
          cron \
          vim
  
  # 切换下面执行的目录
  