Docker Course Repo
docker build -t hello-world .
docker build -f dockerfile-user -t hello-user .
docker build -f dockerfile-user -t learndataengineering/hello-user:latest .
docker push learndataengineering/hello-user:latest
docker rmi learndataengineering/my-repo:latest
docker pull learndataengineering/my-repo:latest
docker images -f dangling=true
docker rmi -f $(docker images -f "dangling=true" -q)