docker制作基础镜像，报错“Delta RPMs disabled because /usr/bin/applydeltarpm not installed，Could not resolve host: mirrors.cloud.aliyuncs.com; Unknown error”

 制作基于基础镜像的系统Base镜像，中出现报错

[root@ubuntu1804-1 /data/dockerfile/system/centos]#docker build -t centos7-base:v1 .

Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
Could not resolve host: mirrors.cloud.aliyuncs.com; Unknown error

 

 

解决方法

apt install -y deltarpm
yum clean all
yum repolist