1) Dockerfile 작성

from docker.io/centos:7

USER root

RUN yum clean all \

 && yum repolist \ 

 && yum -y install tar unzip vi vim telnet \ 

 && yum -y install apr apr-util apr-devel apr-util-devel \

 && yum -y install net-tools curl openssl elinks locate python-setuptools; yum clean all 

CMD ["/bin/bash"]

2) CentOS7 image 생성

root@Docker:[~]: yum build –t centos7-base

3) image 확인

 root@Docker:[~]: docker images

4) container 백그라운드 실행

 root@Docker:[~]: docker run -d -ti centos7-base

5) container 접속

 root@Docker:[~]: docker attach a9a740956cf7

6) container 재실행r

root@Docker:[~]: docker restart 

7) container 삭제

 root@Docker:[~]: docker rm