app.py

import gradio as gr
from fastapi import FastAPI

def echo(message):
    return message

app = FastAPI()

@app.get("/hello")
async def hello():
    return {"message": "Hello, World!"}

demo = gr.Interface(
    fn=echo,
    inputs="text",
    outputs="text",
    title="Echo App",
    description="Enter some text, and I'll echo it back to you!"
)

gr.mount_gradio_app(app, demo, path="/")

if __name__ == "__main__":
    import uvicorn
    uvicorn.run(app, host="0.0.0.0", port=7860)