How to enable Production mode in Singpass.
The integration configuration in Auth0 only allows you to select staging mode.
Follow this integration guide:
You need a different set of client credentials for production, which should be obtained from Singpass. Staging credentials won’t work in production.
Deploy one of the self-hosted versions of the proxy listed here GitHub - auth0-blog/auth0-singpass: Auth0 Singpass Integration 4, and change the upstream server to id.singpass.gov.sg in the config.