> For the complete documentation index, see [llms.txt](https://book.eru.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://book.eru.dev/specs.md).

# Specs

这里我们会详细介绍 Eru 的一些东西

* App yaml 描述
* 各组件的配置