Sample Gunicorn config for Django on Heroku. Usage: "gunicorn -b 0.0.0.0:$PORT --settings $DJANGO_SETTINGS_MODULE -c gunicorn.py"

gunicorn.py

import multiprocessing

workers = multiprocessing.cpu_count() * 2 + 1
worker_class = 'gevent'
loglevel = 'error'
secure_scheme_headers = {
    'HTTP_X_FORWARDED_PROTO': 'https'
}