仮想サーバ/docker/Dockerfile

Dockerfileを使ってdocker imageを作る

$ vi Dockerfile
FROM centos:centos7
$ docker build -t name1:tag1 .
$ docker images
REPOSITORY            TAG                 IMAGE ID            CREATED             SIZE
centos                centos7             a8493f5f50ff        2 weeks ago         192 MB
name1                tag1                 a8493f5f50ff        2 weeks ago         192 MB