app.py

import os
import openai
import gradio as gr

# Load API key from Hugging Face Secrets (not .env)
api_key = os.environ.get("OPENAI_API_KEY")
openai.api_key = api_key

def generate_image(prompt):
    response = openai.images.generate(
        model="dall-e-3",
        prompt=prompt,
        size="1024x1024",
        n=1,
    )
    return response.data[0].url

gr.Interface(
    fn=generate_image,
    inputs=gr.Textbox(label="Describe your image"),
    outputs=gr.Image(label="Generated Image"),
    title="DALL-E Image Generator"
).launch()