docker 官网教程

https://docs.docker.com/

Docker is available in two editions:

-- Community Edition (CE)

-- Enterprise Edition (EE)

Docker 功能组件

images: an image is an executable package that includes everything needed to run an applicaiton -- the code, a runtime, libraries, environment variables, and configuration files.

containers: a container is a runtime instance of an image -- what the image becomes in memory when executed (that is, an image with state, or an user process)

 

Docker 安装

https://docs.docker.com/install/overview/