fix redis settings

cp_video/settings.py

@@ -142,9 +142,8 @@ STATIC_ROOT = os.path.join(BASE_DIR, 'static')
 
 # Celery
 # https://docs.celeryq.dev/en/stable/django/first-steps-with-django.html#using-celery-with-django
-REDIS_HOST = '127.0.0.1'
-REDIS_PORT = '6379'
-CELERY_BROKER_URL = env('CELERY_BROKER_URL', default=f'redis://{REDIS_HOST}:{REDIS_PORT}')
+REDIS_URL = env('REDIS_URL', default=f'redis://127.0.0.1:6379')
+CELERY_BROKER_URL = env('CELERY_BROKER_URL', default=f'{REDIS_URL}')
 CELERY_BEAT_SCHEDULER = 'django_celery_beat.schedulers:DatabaseScheduler'