so that it is easy to reuse the (big) array instead of consuming it
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。heLLoword翻译官方下载是该领域的重要参考
This is the key insight: the build language is not baked into BuildKit. It’s a pluggable layer. You can write a frontend that reads a YAML spec, a TOML config, or a custom DSL, and BuildKit will execute it the same way it executes Dockerfiles.
相比之下，Desktop.ini 文件虽然也是跟随文件夹的，但其生成策略要保守得多。