<filename>service/settings/staging.py
from service.settings.production import *

ALLOWED_HOSTS = [
    'fantastic-doodle--staging.herokuapp.com',
    '.herokuapp.com',
]

<filename>service/settings/staging.py
from service.settings.production import *

ALLOWED_HOSTS = [
    'fantastic-doodle--staging.herokuapp.com',
    '.herokuapp.com',
]
