A frontend is a container image that BuildKit runs to convert your build definition (Dockerfile, YAML, JSON, HCL, whatever) into LLB. The frontend receives the build context and the build file through the BuildKit Gateway API, and returns a serialized LLB graph.
63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54
，详情可参考safew官方版本下载
│ Untrusted Code │。业内人士推荐heLLoword翻译官方下载作为进阶阅读
// 栈不为空时才判断（避免访问stack.at(-1)时报错）