Celery installation and setup in Django - Mini Project: Build & Apply

Celery Installation and Setup in Django

📖 Scenario: You are building a Django web application that needs to perform background tasks like sending emails or processing data without making users wait. To do this, you will set up Celery, a tool that helps run tasks in the background.

🎯 Goal: Learn how to install Celery, configure it with Django, and create a simple background task that can be run asynchronously.

📋 What You'll Learn

Install Celery package

Create a Celery instance in Django project

Configure Celery with Django settings

Write a simple Celery task

💡 Why This Matters

🌍 Real World

Many web applications need to perform time-consuming tasks like sending emails or processing files without making users wait. Celery helps by running these tasks in the background.

💼 Career

Understanding Celery setup is important for backend developers working with Django to build scalable and responsive applications.

1

Install Celery package

Install the Celery package by writing pip install celery in your terminal or command line.

Django

# Run the command to install Celery
# Your code here

Need a hint?

Use the pip install celery command to add Celery to your project environment.

2

Create Celery instance in Django project

In your Django project folder, create a new file called celery.py. Inside it, write code to create a Celery app instance named app with the project name 'myproject'. Import os and set the default Django settings module to 'myproject.settings'.

Django

# Create celery.py file
# Your code here

Need a hint?

Use os.environ.setdefault to set the Django settings module. Then create a Celery app with Celery('myproject').

3

Configure Celery in Django settings

Open your Django settings.py file. Add a new variable CELERY_BROKER_URL and set it to 'redis://localhost:6379/0' to use Redis as the message broker.

Django

# In settings.py
# Your code here

Need a hint?

Set CELERY_BROKER_URL to point to your Redis server URL.

4

Write a simple Celery task

Create a new file called tasks.py inside one of your Django apps. Write a function called add that takes two arguments x and y. Decorate it with @app.task to make it a Celery task. The function should return the sum of x and y.

Django

# In tasks.py
# Your code here

Need a hint?

Import the Celery app and use @app.task to decorate the add function.