main.py

import gradio as gr
from fastapi import FastAPI
from fastapi.staticfiles import StaticFiles
from fastapi.middleware.cors import CORSMiddleware

app = FastAPI()

blocks = gr.Blocks().queue()

with blocks as demo:
    with gr.Row():
        with gr.Column(scale=3, min_width=270):
            text_input = gr.Textbox(
                label="Input", placeholder="input your text here", lines=4
            )
        with gr.Column(scale=2, min_width=150):
            text_output = gr.Textbox(
                label="Output", lines=4
            )

    run_button = gr.Button("Run")

    run_button.click(
        fn=lambda x: x,
        inputs=[text_input],
        outputs=[text_output],
    )

blocks.config['dev_mode'] = False

app = gr.mount_gradio_app(app, blocks, "/gradio",
                          gradio_api_url="http://0.0.0.0:8000/gradio/")


@ app.get('/api/your_api')
async def your_api():
    return {"message": "Hello World"}


app.mount("/", StaticFiles(directory="static", html=True), name="static")

origins = ["*"]

app.add_middleware(
    CORSMiddleware,
    allow_origins=origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)