[FIG(quote)[
[FIGCAPTION[
[1] [CITE@en[Get Started, Part 1: Orientation and Setup | Docker Documentation]]
( ([TIME[2017-06-10 10:22:25 +09:00]]))
<https://docs.docker.com/get-started/#a-brief-explanation-of-containers>
]FIGCAPTION]

> An image is a lightweight, stand-alone, executable package that includes everything needed to run a piece of software, including the code, a runtime, libraries, environment variables, and config files.

]FIG]