At the heart of BuildKit is LLB (Low-Level Build definition). Think of it as the LLVM IR of build systems. LLB is a binary protocol (protobuf) that describes a DAG of filesystem operations: run a command, copy files, mount a filesystem. It’s content-addressable, which means identical operations produce identical hashes, enabling aggressive caching.
Что думаешь? Оцени!。关于这个话题，夫子提供了深入分析
，详情可参考heLLoword翻译官方下载
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nohup ./anqicms ./running.log 2&1 &
type=image — push to a registry (the default for docker build)