Update app.py

app.py

@@ -34,6 +34,17 @@ js_bundle = assets.register('js_all', Bundle(
 # Initialize the translation system
 init_app(app)
 
+# WWW to non-WWW redirect
+@app.before_request
+def redirect_www():
+    """Redirect www subdomain to non-www version"""
+    if request.host.startswith('www.'):
+        # Get the non-www version of the host
+        non_www_host = request.host.replace('www.', '', 1)
+        # Preserve the full URL including path and query parameters
+        url = request.url.replace(request.host, non_www_host)
+        return redirect(url, code=301)
+
 # Context processor to make variables available in templates
 @app.context_processor
 def inject_conf_var():