demo3.py

from fastapi import FastAPI, Request
from fastapi.templating import Jinja2Templates
from fastapi.staticfiles import StaticFiles
from fastapi.responses import HTMLResponse
import uvicorn

app = FastAPI()
staticfiles = StaticFiles(directory="demo/toServe")
app.mount("/static", staticfiles, name="static")
templates = Jinja2Templates(directory="demo")


@app.get('/', response_class=HTMLResponse)
def index(request: Request):
    return templates.TemplateResponse("demo.html", {"request": request, "title": "Kaustubh Demo", "body_content": "This is the demo for using FastAPI with Jinja templates"})

if __name__ == "__main__":
    uvicorn.run("demo3:app", host='127.0.0.1', port=8000, reload=True)