How to add jwt token bearer for fastapi authentication python

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sure! json web tokens (jwt) are commonly used for secure authentication in web applications. in fastapi, you can implement jwt-based authentication to protect your endpoints.

here's a step-by-step tutorial on how to add jwt token bearer for fastapi authentication in python:

step 1: install required libraries
make sure you have the `fastapi`, `uvicorn`, `pyjwt` libraries installed in your python environment. you can install them using pip:



step 2: create a fastapi application
create a new python file (e.g., `main.py`) and import the required libraries:



step 3: create login route to generate jwt token
create a route to handle user authentication and generate a jwt token:



step 4: create a protected route requiring jwt token
create a route that requires a valid jwt token for authentication:



step 5: run the fastapi application
you can run your fastapi application using uvicorn:



now you have successfully implemented jwt token bearer authentication in fastapi. users can obtain a token by logging in and use that token to access protected routes.

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