Serve banner from Gradio static assets

app.py

@@ -4,6 +4,7 @@ import re
 import urllib.error
 import urllib.parse
 import urllib.request
+from pathlib import Path
 from typing import Any
 
 import gradio as gr
@@ -16,11 +17,13 @@ API_BASE_URL = os.environ.get(
 REGISTRATION_SECRET = os.environ.get("ALPASIM_REGISTRATION_SECRET", "")
 ACTIVE_REGISTRATION_STATUSES = {"pending", "approved", "registered"}
 REVIEW_STATUS_CHOICES = ["pending", "approved", "rejected", "all"]
-BANNER_PATH = "alpasim_banner.png"
-BANNER_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), BANNER_PATH)
+BANNER_PATH = "assets/alpasim_banner.png"
+BANNER_DIR = Path(__file__).resolve().parent / "assets"
+BANNER_FILE = Path(__file__).resolve().parent / BANNER_PATH
+gr.set_static_paths(paths=[BANNER_DIR])
 BANNER_HTML = f"""
 <div class="alpasim-banner">
-  <img src="file/{BANNER_PATH}" alt="AlpaSim E2E Closed Loop Challenge 2026" />
+  <img src="/gradio_api/file={BANNER_PATH}" alt="AlpaSim E2E Closed Loop Challenge 2026" />
 </div>
 """
 BANNER_CSS = """
@@ -945,4 +948,4 @@ with gr.Blocks(
     )
 
 if __name__ == "__main__":
-    demo.launch(ssr_mode=False, allowed_paths=[BANNER_FILE])
+    demo.launch(ssr_mode=False, allowed_paths=[str(BANNER_FILE)])