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docker安装buildx插件

docker安装buildx插件,交叉打包

错误:

>>> docker buildx build --platform linux/amd64,linux/arm64 -t xxxx/xxxxx:latest --push .
# 错误输出:
unknown flag: --platform
See 'docker --help'.

提示无效参数:–platform

解决方案:

brew install docker-buildx   # 安装 buildx
mkdir -p ~/.docker/cli-plugins # 创建插件目录
ln -sfn $(which docker-buildx) ~/.docker/cli-plugins/docker-buildx # 创建软连接到插件目录下
docker buildx install # 安装插件