清除none镜像三步走

停止容器 --> 删除容器 --> 删除镜像

docker stop $(docker ps -a | grep "Exited" | awk '{print $1 }')

docker rm $(docker ps -a | grep "Exited" | awk '{print $1 }')

docker rmi $(docker images | grep "none" | awk '{print $3}')  

Dockerfile alpine 安装包阿里云镜像

RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/' /etc/apk/repositories \

Dockerfile python 安装包阿里云镜像

RUN pip3 install -i https://mirrors.aliyun.com/pypi/simple -r requirements.txt