Use custom 404 page for hamburg.ccc.de

config/hosts/public-web-static/virtualHosts/hamburg.ccc.de.nix

@@ -72,6 +72,8 @@
         # Then tell the realip_module to get the addreses from the proxy protocol
         # header.
         real_ip_header proxy_protocol;
+
+        error_page 404 /404.html;
       '';
     };
   };