Uvicorn
Uvicorn is a lightning-fast "ASGI" server.
It runs asynchronous Python web code in a single process.
Gunicorn
You can use Gunicorn to manage Uvicorn and run multiple of these concurrent processes.
That way, you get the best of concurrency and parallelism.
Uvicorn是单进程的ASGI server,
而Gunicorn是可以管理运行多个Uvicorn,也以达到并发与并行的最好效果。