diff --git a/backend/main.py b/backend/main.py
index 1e2735a..e30919f 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -113,7 +113,8 @@ def search_guests(
 # Google OAuth configuration
 GOOGLE_CLIENT_ID = os.getenv("GOOGLE_CLIENT_ID")
 GOOGLE_CLIENT_SECRET = os.getenv("GOOGLE_CLIENT_SECRET")
-GOOGLE_REDIRECT_URI = "http://localhost:8000/auth/google/callback"
+GOOGLE_REDIRECT_URI = os.getenv("GOOGLE_REDIRECT_URI", "http://localhost:8000/auth/google/callback")
+FRONTEND_URL = os.getenv("FRONTEND_URL", "http://localhost:5173")
 
 # Google OAuth endpoints
 @app.get("/auth/google")
@@ -179,13 +180,13 @@ async def google_callback(code: str, db: Session = Depends(get_db)):
             
             # Redirect back to frontend with success message
             return RedirectResponse(
-                url=f"http://localhost:5173?imported={imported_count}&owner={owner}",
+                url=f"{FRONTEND_URL}?imported={imported_count}&owner={owner}",
                 status_code=302
             )
     except Exception as e:
         # Redirect back with error
         return RedirectResponse(
-            url=f"http://localhost:5173?error={str(e)}",
+            url=f"{FRONTEND_URL}?error={str(e)}",
             status_code=302
         )