```shell

Executing busybox-1.34.1-r5.trigger

OK: 209 MiB in 50 packages

fetch http://mirrors.aliyun.com/alpine/v3.12/main/x86_64/APKINDEX.tar.gz

fetch http://mirrors.aliyun.com/alpine/v3.12/community/x86_64/APKINDEX.tar.gz

OK: 209 MiB in 50 packages

fetch http://mirrors.aliyun.com/alpine/v3.12/main/x86_64/APKINDEX.tar.gz

fetch http://mirrors.aliyun.com/alpine/v3.12/community/x86_64/APKINDEX.tar.gz

ERROR: unable to select packages:

libffi-3.4.2-r1:

breaks: libffi-dev-3.3-r2[libffi=3.3-r2]

satisfies: .python-rundeps-20220420.031127[so:libffi.so.8]

ERROR: Service 'flask' failed to build: The command '/bin/sh -c echo http://mirrors.aliyun.com/alpine/v3.12/main > /etc/apk/repositories && echo http://mirrors.aliyun.com/alpine/v3.12/community >> /etc/apk/repositories && apk update && apk --update add --no-cache gcc && apk --update add --no-cache g++ && apk --update add --no-cache tzdata && apk --update add --no-cache libffi-dev && apk --update add --no-cache libxslt-dev && apk --update add --no-cache jpeg-dev' returned a non-zero code: 4

docker 侯建错误

Docker - 构建错误