# Docker Buildx

Docker Buildx 是一个 docker CLI 插件，其扩展了 docker 命令，支持 [Moby BuildKit](/docker/buildx/buildkit.md) 提供的功能。提供了与 docker build 相同的用户体验，并增加了许多新功能。

> 该功能仅适用于 Docker v19.03+ 版本


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://hezhiqiang.gitbook.io/docker/buildx.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.