OAuth Metadata Endpoint
The OAuth Metadata Endpoint is a standardized way to retrieve metadata about your IdentityServer.
The discovery endpoint is available via /.well-known/oauth-authorization-server relative to the base address, e.g.:
https://demo.duendesoftware.com/.well-known/oauth-authorization-serverIssuer Name and Path Base
Section titled “Issuer Name and Path Base”When hosting IdentityServer in an application that uses ASP.NET Core’s PathBaseMiddleware, the base path will be
included in the issuer name and discovery document URLs.
Refer the Discovery Endpoint for more information.