fix: bypass static index.html serving to allow dynamic header path rewriting

drills/flat-stack-presejpacky/server.ts

@@ -30,8 +30,15 @@ app.use((req, res, next) => {
   next();
 });
 
-// Serve static files from the 'dist' directory
-app.use(express.static(path.join(__dirname, 'dist')));
+// Serve static files from the 'dist' directory, but bypass index.html requests
+// so they can be handled dynamically by our fallback route.
+app.use((req, res, next) => {
+  if (req.url === '/index.html') {
+    return next();
+  }
+  next();
+});
+app.use(express.static(path.join(__dirname, 'dist'), { index: false }));
 
 // Fallback to index.html for Single Page Application routing, injecting base path from headers
 app.get('*', (req, res) => {