A CentOS Ruby docker container
It's on docker-hub and github
latest(master/Dockerfile)2.3.1(2.3.1/Dockerfile)git clone git@github.com:konyu/centos7-ruby23.git
cd centos7-ruby23
docker build --rm -t konyu/centos7-ruby23 .
docker run --rm -it konyu/centos7-ruby23
docker pull konyu/centos7-ruby23