IdentityServer settings configuration to use it with SPA that is not hosted with IdentityServer. For example, we have client app on http://localhost:4200 and backend app on https://localhost:5001. To allow working it, we need to set/change “Profile” to “SPA”. Additional we can configure “RedirectUri” and “LogoutUri”. Backend side (.NET Core 3.1).Code snippet of appsettings.json: