One . What is? docker

Mirror image    image docker A mirror image is equivalent to a root file system

For example, the official image ubuntu:1604 It includes a whole set of ubuntu:16.04 Minimum system root file

Two . Containers container Mirror image image The relationship between

   1. It’s like classes and objects in programming , Images are statically defined , The container mirrors the running entity

   2. To put it simply , Mirror time class , Container is an object

   3. Containers can be created , start-up , stop it , Delete pause etc

3、 … and .  Warehouse respository

It’s for Store the mirror image , such as svn The code Center is the same