Update app.py

app.py

@@ -101,9 +101,14 @@ def fetch_image_endpoint(input_url: str):
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
 
+# Ensure the 'static' directory exists for mounting, preventing the RuntimeError
+STATIC_DIR = "static"
+if not os.path.exists(STATIC_DIR):
+    os.makedirs(STATIC_DIR)
+
 # This part serves the static files (like a frontend HTML page)
 # Note: You would need a 'static' folder with an 'index.html' file to see a UI.
-app.mount("/", StaticFiles(directory="static", html=True), name="static")
+app.mount("/", StaticFiles(directory=STATIC_DIR, html=True), name="static")
 
 # The root endpoint serves the main HTML page
 @app.get("/")