仮想サーバ/docker/Dockerfile

Dockerfileを使ってdocker imageを作る

$ vi Dockerfile
FROM centos:centos7
ENV PATH $PATH:/usr/bin
RUN yum -y update
RUN rpm -ivh http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm
$ 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