try to fix entra

default.conf

@@ -0,0 +1,24 @@
+server {
+    listen 80;
+    server_name localhost;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # Enable SPA routing - try to serve the file, then directory, then fallback to index.html
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    # Cache static assets for better performance
+    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg)$ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+    }
+
+    # Health check endpoint
+    location /health {
+        access_log off;
+        return 200 "healthy\n";
+        add_header Content-Type text/plain;
+    }
+}