uvicorn 3-1_hello:app --reload
http -v POST localhost:8000/hello who=mom
http -v POST localhost:8000/hello who:momFastAPI converts HTTP header keys to lowercase, and converts a hyphen (-) to an underscore (_).
Threads are often recommended when your program is I/O bound, and multiple pro‐ cesses are recommended when you’re CPU bound.
model validation solutions Dataclass attrs Pydantic marsh-mallow Voluptuous
defining dependencies to separate specific details from your general code
In FastAPI, a dependency is something that’s executed, so a dependency object needs to be of the type Callable, which includes functions and classes—things that you call, with parentheses and optional arguments.
鉴权的方式: username/email password classic http basic and digest authentication API key (applying to external program) an opaque long string with an accompanying secret Oauth2 a set of standards for authentication and authorization JWT an encoding format containing cryptographically signed user information
http -a me:secret -v localhost:8000/who