app.py

import requests
import io
import base64
from PIL import Image

# ... (rest of your SDXL-Turbo setup) ...

def infer(prompt, negative_prompt, seed, randomize_seed, width, height, guidance_scale, num_inference_steps):
    # 1. Generate the raw image
    result = pipe(
        prompt=prompt,
        negative_prompt=negative_prompt,
        guidance_scale=guidance_scale,
        num_inference_steps=num_inference_steps,
        width=width,
        height=height,
    )
    
    raw_image = result.images[0]

    # 2. Save image to a "buffer" (in memory, not on disk)
    img_byte_arr = io.BytesIO()
    raw_image.save(img_byte_arr, format='PNG')
    img_byte_arr = img_byte_arr.getvalue()

    # 3. Upload to ImgBB (Free API)
    # Get a free key from https://api.imgbb.com/
    IMGBB_API_KEY = "YOUR_IMGBB_API_KEY_HERE"
    
    response = requests.post(
        "https://api.imgbb.com/1/upload",
        data={
            "key": IMGBB_API_KEY,
            "image": base64.b64encode(img_byte_arr),
        }
    )
    
    # 4. Return the URL instead of the raw image
    upload_data = response.json()
    return upload_data["data"]["url"]