FastHTML Python

from base64 import b64decode

from fasthtml.common import FastHTML, Response, serve

GIF = b64decode("R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==")

# Not fast_app(): it adds a static-file route that would claim *.gif paths first.
app = FastHTML()


@app.get("/pixel.gif")
def pixel():
    return Response(GIF, media_type="image/gif", headers={"Cache-Control": "no-store"})


serve(port=8080)