zh-trans: add docker.md (#11320)

* zh-trans: add docker.md

未解决引入英文原文导致的冲突，重新创建PR：#11272

* Update docker.md

content/zh/docs/reference/glossary/docker.md

@@ -3,6 +3,20 @@ title: docker
 id: docker
 date: 2018-04-12
 full_link: /docs/reference/kubectl/docker-cli-to-kubectl/
+short_description: >
+  Docker 是一种可以提供操作系统级别虚拟化（也称作容器）的软件技术。
+
+aka: 
+tags:
+- fundamental
+---
+
+<!--
+---
+title: docker
+id: docker
+date: 2018-04-12
+full_link: /docs/reference/kubectl/docker-cli-to-kubectl/
 short_description: >
   Docker is a software technology providing operating-system-level virtualization also known as containers.
 
@@ -10,9 +24,18 @@ aka:
 tags:
 - fundamental
 ---
+-->
+
+<!--
  Docker is a software technology providing operating-system-level virtualization also known as containers.
+-->
+
+ Docker 是一种可以提供操作系统级别虚拟化（也称作容器）的软件技术
 
 <!--more--> 
 
+<!--
 Docker uses the resource isolation features of the Linux kernel such as cgroups and kernel namespaces, and a union-capable file system such as OverlayFS and others to allow independent "containers" to run within a single Linux instance, avoiding the overhead of starting and maintaining virtual machines (VMs).
+-->
 
+Docker 使用了 Linux 内核中的资源隔离特性（如 cgroup 和内核命名空间）以及支持联合文件系统（如 OverlayFS 和其他），允许多个相互独立的“容器”一起运行在同一 Linux 实例上，从而避免启动和维护虚拟机（VMs）的开销。