Fix: absolute path for FileResponse, skip pip if deps exist

app.py

@@ -1,11 +1,18 @@
 """
-Eye-Dentify FastAPI Backend — Hugging Face Spaces (Python SDK)
+Eye-Dentify FastAPI Backend — Hugging Face Spaces (Python SDK / Docker)
 """
-import os, sys, subprocess, json, uuid, enum, datetime
+import os, sys, json, uuid, enum, datetime
 
-# Install deps on first run
+# Install deps on first run (skip if already installed)
 def install_deps():
+    try:
+        import fastapi, sqlalchemy, yt_dlp, faiss  # Quick check
+        print("✅ Dependencies already installed")
+        return
+    except ImportError:
+        pass
     print("📦 Installing dependencies...")
+    import subprocess
     for dep in ["fastapi","uvicorn","python-multipart","pydantic","pydantic-settings",
                  "sqlalchemy","aiosqlite","yt-dlp","faiss-cpu","numpy","Pillow",
                  "opencv-python-headless","scikit-learn","httpx","aiofiles","loguru"]:
@@ -103,7 +110,11 @@ def video_to_dict(v):
 # === Serve Frontend ===
 @app.get("/")
 async def serve_frontend():
-    return FileResponse("index.html")
+    # Use absolute path to ensure it works in Docker
+    html_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "index.html")
+    if os.path.exists(html_path):
+        return FileResponse(html_path)
+    return {"error": "Frontend not found. Upload index.html to the Space."}
 
 # === Schemas ===
 class SubmitRequest(BaseModel):