Celery requires a solution to send and receive messages, usually this comes in the form of a separate service called a message broker.
There are several choices available, including:
RabbitMQ is feature-complete, stable, durable and easy to install. It’s an excellent choice for a production environment. Detailed information about using RabbitMQ with Celery:
Using RabbitMQ
If you are using Ubuntu or Debian install RabbitMQ by executing this command:
$ sudo apt-get install rabbitmq-server
When the command completes the broker is already running in the background, ready to move messages for you: Starting rabbitmq-server: SUCCESS.
And don’t worry if you’re not running Ubuntu or Debian, you can go to this website to find similarly simple installation instructions for other platforms, including Microsoft Windows: