#140

frontend/src/main.tsx

@@ -1,3 +1,4 @@
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
 import { createRoot } from 'react-dom/client'
 import { HelmetProvider } from 'react-helmet-async'
 
@@ -6,7 +7,15 @@ import App from '@/App'
 
 const helmetContext = { }
 
+const client = new QueryClient ({
+    defaultOptions: {
+	queries: { staleTime: 5 * 60 * 1000,
+		   gcTime:    30 * 60 * 1000,
+		   retry:     1 }}})
+
 createRoot (document.getElementById ('root')!).render (
     <HelmetProvider context={helmetContext}>
-      <App/>
+      <QueryClientProvider client={client}>
+	<App/>
+      </QueryClientProvider>
     </HelmetProvider>)