1	# /// script
     2	# dependencies = [
     3	#   "uvicorn",
     4	#   "fastapi",
     5	# ]
     6	# requires-python = ">=3.12"
     7	# ///
     8	
     9	import uvicorn
    10	from fastapi import FastAPI
    11	
    12	app = FastAPI()
    13	
    14	
    15	@app.get("/")
    16	async def root():
    17	    return {"message": "Hello World"}
    18	
    19	if __name__ == "__main__":
    20	    uvicorn.run(app, host="localhost", port=8000)

scratch/pex-260 % ve
(.venv) scratch/pex-260 % pip install --upgrade pex
Collecting pex
  Using cached pex-2.6.0-py2.py3-none-any.whl.metadata (7.4 kB)
Using cached pex-2.6.0-py2.py3-none-any.whl (3.4 MB)
Installing collected packages: pex
Successfully installed pex-2.6.0

(.venv) scratch/pex-260 % pex --exe ./test.py
INFO:     Started server process [48812]
INFO:     Waiting for application startup.
INFO:     Application startup complete.
INFO:     Uvicorn running on <http://localhost:8000> (Press CTRL+C to quit)