Asynchronous Tasks with FastAPI and Celery

Example of how to handle background processes with FastAPI, Celery, and Docker.

Want to learn how to build this?

Check out the post.

Want to use this project?

Spin up the containers:

$ docker-compose up -d --build

Try adding a few more workers to see how that affects things:

$ docker-compose up -d --build --scale worker=3

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If you faced any errors during building try:

Rebuild Docker Images: If the image has been updated or there are changes in the Dockerfile, you need to rebuild the images. Use the following command to ensure a clean build:

$ docker-compose down --volumes
$ docker-compose up --build

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Open your browser to http://localhost:8004 to view the app or to http://localhost:5556 to view the Flower dashboard.

Trigger a new task:

$ curl http://localhost:8004/tasks -H "Content-Type: application/json" --data '{"type": 0}'

Check the status:

$ curl http://localhost:8004/tasks/<TASK_ID>