Tasks queue with FastAPI and Celery

How to handle background processes with FastAPI, Celery, Redis, RabbitMQ.

Quickstart

Build and start containers:

docker-compose up --build

Api docs: http://localhost:8000/docs Flower dashboard: http://localhost:5555

Create task

curl -X 'POST' \
  'http://0.0.0.0:8000/background_task' \
  -H 'accept: application/json' \
  -H 'Content-Type: multipart/form-data' \
  -F 'delay=1' \
  -F 'file=@assets/fluentd-icon-color.png;type=image/png'

Check task status

curl -X 'GET' \
  'http://0.0.0.0:8000/background_task/${id}' \
  -H 'accept: application/json'

Multiple request

curl -X 'POST' \
  'http://0.0.0.0:8000/background_task/multiple' \
  -H 'accept: application/json' \
  -H 'Content-Type: multipart/form-data' \
  -F 'delay=1' \
  -F 'files=@fluentd-icon-color.png;type=image/png' \
  -F 'files=@fluentd-icon-color.png;type=image/png' \
  -F 'files=@fluentd-icon-color.png;type=image/png'

Comparison method

curl -X 'POST' \
  'http://0.0.0.0:8000/background_task/comparison' \
  -H 'accept: application/json' \
  -H 'Content-Type: multipart/form-data' \
  -F 'count=10' \
  -F 'delay=1' \
  -F 'method_list=ray,default,celery' \
  -F 'file=@fluentd-icon-color.png;type=image/png'