# 第十五章 Etcd 项目

`etcd` 是 `CoreOS` 团队发起的一个管理配置信息和服务发现 (`Service Discovery`) 的项目，在这一章里面，我们将基于 `etcd 3.5 系列`版本介绍该项目的目标，安装和使用，以及实现的技术。

> **版本说明：** 本章示例基于 etcd 3.5 系列版本编写。etcd 官方维护最新两个次版本（当前为 3.5 和 3.6）。请访问 [etcd 官方发布页](https://github.com/etcd-io/etcd/releases) 获取最新版本信息。

## 本章内容

* [简介](/docker_practice/di-san-bu-fen-shen-ru-pian/15_etcd/15.1_intro.md)
* [安装](/docker_practice/di-san-bu-fen-shen-ru-pian/15_etcd/15.2_install.md)
* [集群](/docker_practice/di-san-bu-fen-shen-ru-pian/15_etcd/15.3_cluster.md)
* [使用 etcdctl](/docker_practice/di-san-bu-fen-shen-ru-pian/15_etcd/15.4_etcdctl.md)


---

# 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://yeasy.gitbook.io/docker_practice/di-san-bu-fen-shen-ru-pian/15_etcd.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.