[Bug]: add gunicorn dependency to docker image

[metalshanked]

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RAGFlow workspace code commit ID

Latest

RAGFlow image version

0.21.0

Other environment information

Docker

Actual behavior

For better performance, would be great to have out of the box configuration and support for Gunicorn
This is mainly for docket snd k8s container setup where we need to use official images and no change to docker image and container is possible.

Expected behavior

No response

Steps to reproduce

Add gunicorn dependency to pyproject and also provide option to use gunicorn from.config instead of updating entrypoint etc

Additional information

No response

[ZhenhangTung]

@metalshanked Thanks for the feedback. Related PR: https://github.com/infiniflow/ragflow/pulls

[metalshanked]

Thanks. Sorry i cant find the related PR. Cant see in latest version

[ZhenhangTung]

#7845 this one