Update backend/main.py

backend/main.py

@@ -22,21 +22,29 @@ app.add_middleware(
 )
 # ── Static files + SPA ───────────────────────────────────────────────────────
 from fastapi.staticfiles import StaticFiles
-from fastapi.responses import FileResponse
+from fastapi.responses import FileResponse, PlainTextResponse
 import pathlib
+import os
 
-_static_dir = pathlib.Path(__file__).parent.parent / "backend" / "static"
-if _static_dir.exists():
-    app.mount("/assets", StaticFiles(directory=str(_static_dir / "assets")), name="assets")
-
-    @app.get("/")
-    async def serve_index():
-        return FileResponse(str(_static_dir / "index.html"))
-else:
-    @app.get("/")
-    async def serve_fallback():
-        return {"status": "running", "message": "static dir not found at: " + str(_static_dir)}
-
+@app.get("/")
+async def serve_index():
+    # Try multiple possible paths
+    candidates = [
+        pathlib.Path(__file__).parent / "static" / "index.html",
+        pathlib.Path("/app/backend/static/index.html"),
+        pathlib.Path("/app/static/index.html"),
+    ]
+    for path in candidates:
+        if path.exists():
+            return FileResponse(str(path))
+    
+    # None found - show debug info
+    debug = f"Tried:\n"
+    for p in candidates:
+        debug += f"  {p} -> exists={p.exists()}\n"
+    debug += f"\n/app contents: {os.listdir('/app')}\n"
+    debug += f"/app/backend contents: {os.listdir('/app/backend')}\n"
+    return PlainTextResponse(debug, status_code=200)
 # ── Config ────────────────────────────────────────────────────────────────────
 GROQ_MODEL   = "llama-3.3-70b-versatile"
 GROQ_API_KEY = os.environ.get("GROQ_API_KEY", "")