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<p dir="auto">以 Go 项目为例：第一阶段用 golang:alpine 编译得到二进制文件，第二阶段用 scratch 或 alpine:latest 只复制编译产物，镜像从 800MB 压缩到 15MB。</p>
<p dir="auto">PHP 项目同理：composer install 和 npm build 在 node 镜像完成，最后 COPY 到 php:fpm-alpine，省掉开发依赖和构建工具的体积。</p>
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<p dir="auto">有没有同行遇到过同样的问题？分享一下经验。</p>
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