app.py

from fastapi import FastAPI
from fastapi.responses import HTMLResponse
import os

app = FastAPI()

@app.get("/", response_class=HTMLResponse)
def root():
    with open("index.html", "r", encoding="utf-8") as f:
        return f.read()

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