settings:
REDIS_HOST = '0.0.0.0'
REDIS_PORT ='6378'
CELERY_BROKER_URL = 'redis://' + REDIS_HOST + ':' + REDIS_PORT + '/0'
CELERY_BROKER_TRANSPORT_OPTIONS = {'visibility_timeout':3600}
CELERY_RESULT_BACKEND = 'redis://' + REDIS_HOST + ':' + REDIS_PORT + '/0'
CELERY_ACCEPT_CONTENT = ['application/json']
CELERY_TASK_SERIALIZER = 'json'
CELERY_RESULT_SERIALIZER = 'json'

celery.py:
import os
from celery import Celery
from celery.schedules import crontab


os.environ.setdefault('DJANGO_SETTINGS_MODULE','cel.settings')

app = Celery('cel')
app.config_from_object('django.conf:settings', namespace='CELERY')
app.autodiscover_tasks()