from starlette.applications import Starlette
from starlette.responses import JSONResponse
from starlette.routing import Route

async def homepage(request):
    return JSONResponse({'ciao': 'mondo'})

async def get_jars(request):
    return JSONResponse({'jars': ['8']})

app = Starlette(debug=True, routes=[
    Route('/', homepage),
    Route('/get_jars', get_jars)
])