使用 buildx 构建多架构镜像#
Windows和Mac的桌面版Docker自带buildx命令，但是Linux环境下的Docker需要自行安装buildx （https://github.com/docker/buildx）
https://docs.docker.com/buildx/working-with-buildx/
本节课使用的源码 https://github.com/xiaopeng163/flask-redis
登录dockerhub
docker login
进入源码目录（Dockerfile所在目录）
git clone https://github.com/xiaopeng163/flask-redis
cd flask-redis
构建
PS C:\Users\Peng Xiao\flask-redis> docker login
Authenticating with existing credentials...
Login Succeeded
PS C:\Users\Peng Xiao\flask-redis> docker buildx build --push --platform linux/arm/v7,linux/arm64/v8,linux/amd64 -t xiaopeng163/flask-redis:latest .
[+] Building 0.0s (0/0)
error: multiple platforms feature is currently not supported for docker driver. Please switch to a different driver (eg. "docker buildx create --use")
PS C:\Users\Peng Xiao\flask-redis>
PS C:\Users\Peng Xiao\flask-redis> docker buildx ls
NAME/NODE DRIVER/ENDPOINT STATUS PLATFORMS
desktop-linux docker
desktop-linux desktop-linux running linux/amd64, linux/arm64, linux/riscv64, linux/ppc64le, linux/s390x, linux/386, linux/arm/v7, linux/arm/v6
default * docker
default default running linux/amd64, linux/arm64, linux/riscv64, linux/ppc64le, linux/s390x, linux/386, linux/arm/v7, linux/arm/v6
PS C:\Users\Peng Xiao\flask-redis> docker buildx create --name mybuilder --use
mybuilder
PS C:\Users\Peng Xiao\flask-redis> docker buildx ls
NAME/NODE DRIVER/ENDPOINT STATUS PLATFORMS
mybuilder * docker-container
mybuilder0 npipe:////./pipe/docker_engine inactive
desktop-linux docker
desktop-linux desktop-linux running linux/amd64, linux/arm64, linux/riscv64, linux/ppc64le, linux/s390x, linux/386, linux/arm/v7, linux/arm/v6
default docker
default default running linux/amd64, linux/arm64, linux/riscv64, linux/ppc64le, linux/s390x, linux/386, linux/arm/v7, linux/arm/v6
PS C:\Users\Peng Xiao\flask-redis> docker buildx build --push --platform linux/arm/v7,linux/arm64/v8,linux/amd64 -t xiaopeng163/flask-redis:latest .