fix: disable all static file caching to prevent stale assets

backend/server.js

@@ -70,7 +70,12 @@ app.use(sanitizeBody);
 app.use(generalLimiter);
 app.use('/api', apiKeyGuard);
 
-const staticOpts = { maxAge: '1h', setHeaders: (res, p) => { if (p.endsWith('.html')) res.setHeader('Cache-Control', 'no-cache'); } };
+const staticOpts = {
+  maxAge: 0,
+  setHeaders: (res, p) => {
+    res.setHeader('Cache-Control', 'no-cache, no-store, must-revalidate');
+  },
+};
 app.use('/css', express.static(path.join(PUBLIC_DIR, 'css'), staticOpts));
 app.use('/js', express.static(path.join(PUBLIC_DIR, 'js'), staticOpts));
 

nginx.inc

@@ -1,3 +1,5 @@
 client_max_body_size 55m;
 proxy_set_header X-Real-IP $remote_addr;
 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+proxy_buffering off;
+proxy_cache off;