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.
延禧攻略：谷歌遭禁無礙問鼎全球第一熱搜劇2018年12月24日，推荐阅读夫子获取更多信息
Struggles in low light。业内人士推荐WPS下载最新地址作为进阶阅读
Майя Пономаренко