If you're seeing this page, nsite-gateway has been successfully installed and is working.
To set a custom homepage, set the NSITE_HOMEPAGE environment variable to your desired nprofile
Example:
NSITE_HOMEPAGE=nprofile1qqspspfsrjnurtf0jdyswm8jstustv7pu4qw3pn4u99etptvgzm4uvcpz9mhxue69uhkummnw3e82efwvdhk6qg5waehxw309aex2mrp0yhxgctdw4eju6t04mzfem
For more information about configuring nsite-gateway, please refer to the documentation