hello, may it help
FastApi can run with the worker uvicorn, i recommended to you run in gunicorn framework, and also, you change the gunicorn.conf, and change the worker with worker_class = 'uvicorn.workers.UvicornWorker' and save the config. if you want to running it with SSL, please declare the in gunicorn.conf
keyfile = '/www/wwwroot/your_forder_domain/private.key'
certfile = '/www/wwwroot/your_folder_domain/certificate.crt'