DevOps part B9.4 (Docker)
docker build -t devopsb94 .
docker run -p 9911:80 --name server devopsb94
docker tag devopsb94 karenarzumanyan/devopsb94:latest
docker push karenarzumanyan/devopsb94:latest
docker pull karenarzumanyan/devopsb94:latest
https://hub.docker.com/repository/docker/karenarzumanyan/devopsb94