git clone https://github.com/kelseyhightower/lobsters.git
cp Dockerfile lobsters
docker build -t kelseyhightower/lobsters:2.0.0 lobsters
docker push kelseyhightower/lobsters:2.0.0
cp custom.css lobsters/app/assets/stylesheets/local
docker build -t kelseyhightower/lobsters:2.0.1 lobsters
docker push kelseyhightower/lobsters:2.0.1