# docker ps -a
docker: error while loading shared libraries: libltdl.so.7: cannot open shared object file: No such file or directory

官方的jenkins映象是基於Debian GNU/Linux 9，使用Dockerfile重新打image

FROM docker.io/jenkins
USER root
#清除了基礎映象設定的源，切換成阿里雲源
RUN echo '' > /etc/apt/sources.list.d/jessie-backports.list \
  
 
&& echo "deb http://mirrors.aliyun.com/debian jessie main contrib non-free" > /etc/apt/sources.list \
  && echo "deb http://mirrors.aliyun.com/debian jessie-updates main contrib non-free" >> /etc/apt/sources.list \
  && echo "deb http://mirrors.aliyun.com/debian-security jessie/updates main contrib non-free
 
" >> /etc/apt/sources.list
#更新源並安裝缺少的包
RUN apt-get update && apt-get install -y libltdl7
ARG dockerGid=999

RUN echo "docker:x:${dockerGid}:jenkins" >> /etc/group