docker in docker 在CI中应用解析

docker in docker 简介

docker里嵌套运行docker，本文讲解其在jenkins和gitlab-runner 种的调用流程

一、用于jenkins

容器化部署jenkins时调用docker命令集成CI功能

[root@ops-demo~]# docker inspect jenkins  --format="{
   {json .Mounts}}" 
[{
   "Type":"bind","Source":"/usr/bin/docker","Destination":"/usr/bin/docker","Mode":"","RW":true,"Propagation":"rprivate"},{
   "Type":"volume","Name":"jenkins","Source":"/var/lib/docker/volumes/jenkins/_data","Destination":"/var/jenkins_home","Driver":"local","Mode":"z","RW":true,"Propagation":""},{
   "Type":"bind","Source":"/var/run/docker.sock"