Python exercise - detect total faces in image url, wrapped by flask
pull it from docker hub
docker run -p 5000:5000 itamarco/face-detector
git pull https://github.com/itamarco/face-detector.git
cd face-detector
pip install -r requirements.txt
python -m flaskr
curl -X POST \
http://localhost:5000/detect-faces \
-F 'url=<img url>'