fx-private-relay/gunicorn.conf

import os


for k,v in os.environ.items():
    if k.startswith('GUNICORN_'):
        key = k.split('_', 1)[1].lower()
        locals()[key] = v


if 'PORT' in os.environ:
    locals()['bind'] = '0.0.0.0:%s' % os.environ['PORT']