image (Docker)

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

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.