错误信息

debconf: unable to initialize frontend: Dialog
debconf: (TERM is not set, so the dialog frontend is not usable.)
debconf: falling back to frontend: Readline
debconf: unable to initialize frontend: Readline
debconf: (This frontend requires a controlling tty.)
debconf: falling back to frontend: Teletype
dpkg-preconfigure: unable to re-open stdin: 

原因是在使用apt-get安装依赖时,可能会有对话框,制作镜像时如果不选择会导致失败,解决办法也很简单

在docker file中增加一句:

ENV DEBIAN_FRONTEND noninteractive
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