fixing CORS for the production envirnment

Author: arpitkumar2004

backend/main.py

@@ -24,18 +24,21 @@
 
 # --- CORS CONFIGURATION ---
 # Allows your React app (running on localhost:5173) to talk to this API
+# --- FIXED CORS CONFIGURATION ---
 origins = [
-    "http://localhost:5173",          # Local development
-    "https://arpitkumar-arpitkumar2004s-projects.vercel.app/", # Your Vercel URL
-    "https://data-science-portfolio-website-fina.vercel.app/",
+    "http://localhost:5173",
+    "https://arpitkumar-arpitkumar2004s-projects.vercel.app", # Removed trailing slash
+    "https://data-science-portfolio-website-fina.vercel.app",   # Removed trailing slash
 ]
 
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=origins, 
+    allow_origins=origins, # Use the list variable we defined above
     allow_credentials=True,
     allow_methods=["*"],
     allow_headers=["*"],
+    # Adding this helps with some browser-specific issues
+    expose_headers=["*"],
 )
 
 # --- Pydantic Schemas for JSON Validation ---

src/pages/Contact.tsx

@@ -58,11 +58,11 @@ const Contact: React.FC = () => {
     return () => window.removeEventListener("role:updated", onRoleUpdated);
   }, []);
 
-  // 2. Cold-Start Logic: Show notice if request takes > 8 seconds
+  // 2. Cold-Start Logic: Show notice if request takes > 15 seconds
   useEffect(() => {
     let timer: NodeJS.Timeout;
     if (isSubmitting) {
-      timer = setTimeout(() => setShowWakeUpNotice(true), 8000);
+      timer = setTimeout(() => setShowWakeUpNotice(true), 15000);
     } else {
       setShowWakeUpNotice(false);
     }