add remote server ip

app.py

@@ -8,6 +8,9 @@ SRC = ROOT / "src"
 if str(SRC) not in sys.path:
     sys.path.insert(0, str(SRC))
 
+# Configure backend API base URL for Spaces if not set
+os.environ.setdefault("API_BASE_URL", "http://134.199.133.78:80")
+
 # Import the existing Gradio Blocks demo from src/sharp/web/app.py
 from sharp.web.app import demo as _demo  # type: ignore
 

src/sharp/web/app.py

@@ -11,7 +11,11 @@ import gradio as gr
 # Front-end Gradio app that calls the backend FastAPI service hosted on GPU cloud.
 # Configure the backend base URL through environment variable on Hugging Face Spaces.
 # Example: API_BASE_URL = "https://your-api.example.com"
-API_BASE_URL = os.getenv("API_BASE_URL", "http://localhost:8000")
+API_BASE_URL = os.getenv("API_BASE_URL")
+MISSING_BACKEND_MSG = (
+    "Backend API is not configured. Set API_BASE_URL in Spaces Secrets "
+    "(e.g., http://134.199.133.78:80)"
+)
 
 
 def _files_payload(images):
@@ -42,6 +46,9 @@ def predict_single(image):
     if not files:
         return None, "Invalid image input."
 
+    if not API_BASE_URL:
+        return None, MISSING_BACKEND_MSG
+
     try:
         resp = requests.post(f"{API_BASE_URL}/predict", files=files, timeout=120)
         resp.raise_for_status()
@@ -74,6 +81,9 @@ def predict_batch(images):
     if not files:
         return None, "Invalid inputs."
 
+    if not API_BASE_URL:
+        return None, MISSING_BACKEND_MSG
+
     try:
         resp = requests.post(f"{API_BASE_URL}/predict", files=files, timeout=300)
         resp.raise_for_status()