---
title: 镜像（Image）
id: image
date: 2018-04-12
full_link: 
short_description: >
  镜像（Image）是保存的容器实例，它打包了应用运行所需的一组软件。

aka: 
tags:
- fundamental
---

<!--
title: Image
id: image
date: 2018-04-12
full_link: 
short_description: >
  Stored instance of a container that holds a set of software needed to run an application.

aka: 
tags:
- fundamental
-->

<!--
 Stored instance of a {{< glossary_tooltip term_id="container" >}} that holds a set of software needed to run an application.
-->
镜像（Image）是保存的{{< glossary_tooltip text="容器" term_id="container" >}}实例，它打包了应用运行所需的一组软件。

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<!--
A way of packaging software that allows it to be stored in a container registry, pulled to a local system, and run as an application. Meta data is included in the image that can indicate what executable to run, who built it, and other information.
-->
镜像是软件打包的一种方式，可以将镜像存储在容器镜像仓库、拉取到本地系统并作为应用来运行。
镜像中包含的元数据指明了运行什么可执行程序、是由谁构建的以及其他信息。