app.py

#!/usr/bin/env python

import pathlib

import gradio as gr

paths = [path.as_posix() for path in sorted(pathlib.Path('images').glob('*'))]

with gr.Blocks() as demo:
    gr.Gallery(value=paths).style(
                                  height='600px',
                                  object_fit='scale-down')
demo.queue().launch()