OCR Service

testing OCR API using FastAPI to demonstrate asyncio, async, and queueing

Dependencies

1. Docker
2. Docker-compose

AsyncIO

Using:

1. aiofile
2. aiopytesseract
3. miniopy_async

https://github.com/alivx/ocr-fastapi-demo/blob/master

Sync

1. pytesseract

AsyncIO with queue

Using:

1. aiofile
2. aiopytesseract
3. miniopy_async
4. RQ

Start the service

docker-compose build
docker-compose up

API request

Sync

curl --location --request POST 'http://127.0.0.1:8000/upload' \
--form 'image=@"/${path}.png"'

AsyncIO

curl --location --request POST 'http://127.0.0.1:8001s/upload' \
--form 'image=@"/${path}.png"'

AsyncIO with queue

curl --location --request POST 'http://127.0.0.1:8002/upload' \
--form 'image=@"/${path}.png"'

Stress test

 locust -f stress.py