docker-buildx浅尝

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安装

下载 Buildx 插件

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mkdir -p ~/.docker/cli-plugins
curl -sSL https://github.com/docker/buildx/releases/download/v0.14.1/buildx-v0.14.1.linux-amd64 -o ~/.docker/cli-plugins/docker-buildx
chmod +x ~/.docker/cli-plugins/docker-buildx

验证

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docker buildx version

启用 BuildKit

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export DOCKER_BUILDKIT=1

使用 Buildx 构建镜像

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docker buildx create --use
docker buildx build -t test:test .

构建多平台镜像

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# 安装 QEMU
docker run --privileged --rm tonistiigi/binfmt --install all

# 创建并使用 Buildx 构建器
docker buildx create --name multiarch-builder --driver docker-container --use
docker buildx inspect --bootstrap

docker buildx ls

# 构建并推送多架构镜像
docker buildx build --platform linux/amd64,linux/arm64/v8,linux/arm/v7,linux/386,linux/ppc64le,linux/s390x,linux/arm/v6,linux/riscv64 -t imwl/test:multiarch --push .

测试

Dockerfile

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FROM python:3.9.19-alpine
RUN pip3 install kubernetes==29.0.0

构建

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docker buildx build --platform linux/amd64,linux/arm64 -t imwl/py-kubernetes:29.0.0 --push .

查看

多平台镜像