从零开始：详解手动构建Docker镜像的完整流程

[root@node1 ~]# docker pull centos[root@node1 ~]# docker run -it --name mynginx centos [root@eadfe0c0903d /]# rpm -ivh http://mirrors.aliyun.com/epel/epel-release-latest-7.noarch.rpm[root@eadfe0c0903d /]# yum install nginx -y

[root@eadfe0c0903d /]# vi /etc/nginx/nginx.confdaemon off;

[root@eadfe0c0903d /]# exitexit

[root@node1 ~]# docker ps -aCONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS                     PORTS                NAMESeadfe0c0903d        centos              "/bin/bash"              12 minutes ago      Exited (0) 2 minutes ago                        mynginx[root@node1 ~]# docker commit -m "nginx test mirror" eadfe0c0903d jkzhao/mynginx:v1

[root@node1 ~]# docker imagesREPOSITORY                              TAG                 IMAGE ID            CREATED             SIZEjkzhao/mynginx                          v1                  bdf7d4fda6fb        4 minutes ago       381.6 MBdocker.io/centos                        latest              328edcd84f1b        2 weeks ago         192.5 MBregistry.docker-cn.com/library/centos   latest              328edcd84f1b        2 weeks ago         192.5 MBdocker.io/nginx                         latest              b8efb18f159b        3 weeks ago         107.5 MB[root@node1 ~]# docker run -d -p 82:80 jkzhao/mynginx:v1 nginx