docker报错:debconf: unable to initialize frontend: Dialog

使用docker制作镜像过程中,在 apt-get 安装命令时,出现错误:

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: 

是因为在使用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。

解决方案:在Dockerfile中增加一句:

ENV DEBIAN_FRONTEND noninteractive

 

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