Duckiebot安装说明（二）Docker

Unit 3 Docker的基础知识

3.1 Docker介绍

Docker is used to perform operating-system-level virtualization, something often referred to as “containerization”. While Docker is not the only software that does this, it is by far the most popular one.

Containerization is a process that allows partitioning the hardware and the kernel of an operating systems in such a way that different containers can co-exist on the same system independently from one-another. Programs running in such a container have access only to the resources they are allow to and are completely independent of libraries and configurations of the other containers and the host machine. Because of this feature Docker containers are extremely portable.

Containers are often compared to virtual machines (VMs). The main difference is that VMs require a host operating system (OS) with a hypervisor and a number of guest OS, each with their own libraries and application code. This can result in a s