---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# uvicorn

> Python ASGI HTTP Server, for asynchronous projects.
> More information: <https://www.uvicorn.org/settings/>.

- Run Python web app:

`uvicorn {{import.path:app_object}}`

- Listen on port 8080 on localhost:

`uvicorn --host {{localhost}} --port {{8080}} {{import.path:app_object}}`

- Turn on live reload:

`uvicorn --reload {{import.path:app_object}}`

- Use 4 worker processes for handling requests:

`uvicorn --workers {{4}} {{import.path:app_object}}`

- Run app over HTTPS:

`uvicorn --ssl-certfile {{cert.pem}} --ssl-keyfile {{key.pem}} {{import.path:app_object}}`
