[QUESTION] Use uvicorn or gunicorn in docker CMD

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Description

I read the document Deployment

The CMD runs in docker use uvicorn，why not gunicorn？ Which should i use for best performance?

[Zheaoli]

@luozhouyang this just let people to use both uvicorn and gunicorn bu using the same image to adapt different circumstance

[tiangolo]

Thanks for the help here everyone! 👏 🙇

Thanks for reporting back and closing the issue @luozhouyang 👍

About the Docker image, in short, Gunicorn starts several Uvicorn workers, it makes sure there are several processes ready to work. And each of those Uvicorn workers do the actual work.

You can read more in the docs for the Docker image: https://github.com/tiangolo/uvicorn-gunicorn-fastapi-docker