git pull.
$ git clone https://github.com/gowatana/docker-centos7-demo-tool.git
$ cd ./docker-centos7-demo-tool/
build & run container.
$ docker image build --tag centos7:local .
$ docker run -it --rm centos7:local
[root@b4ca88b12a8a /]# cat /etc/centos-release
CentOS Linux release 7.9.2009 (Core)
Content type
Image
Digest
sha256:34188c627…
Size
86.6 MB
Last updated
over 3 years ago
docker pull gowatana/centos7