db_storage = DatabaseStorage(self.config.db_path)
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.
。关于这个话题，快连下载安装提供了深入分析
「汽油……大多數州現在每加侖低於2.3美元，某些地方是每加侖1.99美元」
"scanners" installed, which supported simple low-speed serial lines or fast,