Add simple Dockerfile
Add simple Dockerfile

apiaryio/drafter,neonichu/drafter,apiaryio/drafter,neonichu/drafter,apiaryio/drafter,neonichu/drafter,hendrikmaus/drafter,neonichu/drafter,hendrikmaus/drafter,apiaryio/drafter,hendrikmaus/drafter,hendrikmaus/drafter,apiaryio/drafter