public void ConfigureServices(IServiceCollection services)
{
services.ConfigureRootConfiguration(Configuration);
///// Add single tenant configuration
services.AddSingleTenantConfiguration(Configuration, Environment, Logger,
StartupHelpers.DefaultIdentityDbContextOptions(Configuration),
StartupHelpers.DefaultIdentityOptions(),
StartupHelpers.DefaultIdentityServerOptions(),
StartupHelpers.DefaultIdentityServerConfigurationOptions(Configuration),
StartupHelpers.DefaultIdentityServerOperationalStoreOptions(Configuration)
);
/// Add multi tenant configuration
/// Seeding data requires that you build the identity migration using the <see cref="MultiTenantUserIdentityDbContext"/>
/// The _layout page requires the SignInManager to have the type specified to use the <see cref="MultiTenantUserIdentity"/>
//services.AddMultiTenantConfiguration(Configuration, Environment, Logger,
// StartupHelpers.DefaultIdentityDbContextOptions(Configuration),
// StartupHelpers.DefaultIdentityOptions(),
// StartupHelpers.DefaultIdentityServerOptions(),
// StartupHelpers.DefaultIdentityServerConfigurationOptions(Configuration),
// StartupHelpers.DefaultIdentityServerOperationalStoreOptions(Configuration)
// );
// Add email senders which is currently setup for SendGrid and SMTP
services.AddEmailSenders(Configuration);
// Add services for authentication, including Identity model, IdentityServer4 and external providers
services.AddAuthenticationServices(Configuration);
// Add authorization policies for MVC
services.AddAuthorizationPolicies();
}