minor changes

backend/src/app.js

@@ -75,7 +75,7 @@ const frontendDistPath = path.join(__dirname, '../dist');
 app.use(express.static(frontendDistPath));
 
 // Any GET request that didn't match an API route above gets served index.html
-app.get('*', (req, res) => {
+app.get(/(.*)/, (req, res) => {
   res.sendFile(path.join(frontendDistPath, 'index.html'));
 });