采用 Docker 技术完成镜像的生产、分发以及发布操作流程

    启动一个centos容器
    [root@docker ~]# docker images
    REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
    centos              latest              ff426288ea90        19 months ago       207 MB
    [root@docker ~]# docker run -it centos:latest /bin/bash
    
    安装httpd服务
    [root@docker ~]# docker run -it centos:latest
    [root@03b4daf12929 /]# yum install httpd -y
    Crtl+P+Q
    
    [root@docker ~]# docker ps -a
    CONTAINER ID        IMAGE               COMMAND             CREATED              STATUS