virtualenv env

env/bin/pip install -r requirements.txt

env/bin/nosetests

env/bin/python app.py

env/bin/uwsgi --http :8000 --wsgi-file app.py

brew install httpie

http POST localhost:8000/images Content-Type:image/jpeg < tests/fixtures/image.jpeg 
http POST localhost:8000/images Content-Type:image/png < tests/fixtures/image.png
http POST localhost:8000/images Content-Type:image/gif < tests/fixtures/image.gif

curl localhost:8000/images/20cb8df6412111e5a0f80242ac11000c.jpeg > image.jpeg