I'm hoping this fixes the broken images/styles etc..

code/nginx.conf.template

@@ -2,12 +2,23 @@
 events {}
 
 http {
+    include       mime.types;
+    default_type  application/octet-stream;
+
     server {
         listen ${PORT};
 
         location / {
             root   /usr/share/nginx/html;
             index  index.html;
+            try_files $uri /index.html;
+        }
+
+        # Additional configuration to ensure correct MIME types for static assets
+        location ~* \.(css|js|woff2?|ttf|eot|svg|png|jpg|jpeg|gif)$ {
+            root /usr/share/nginx/html;
+            expires 1d;
+            add_header Cache-Control "public, must-revalidate, proxy-revalidate";
         }
     }
 }