Startup for Web API protected using Azure AD B2C

Startup.cs

public class Startup
{
  public Startup(IConfiguration configuration)
  {
    Configuration = configuration;
  }

  public IConfiguration Configuration { get; }

  public void ConfigureServices(IServiceCollection services)
  {
    services.AddProtectedWebApi(Configuration, "AzureAdB2C");
    services.AddControllers();
  }

  public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
  {
    if (env.IsDevelopment())
    {
        app.UseDeveloperExceptionPage();
    }

    app.UseHttpsRedirection();

    app.UseCors(builder =>
    {
        builder.WithOrigins("http://localhost:4200")
                .AllowCredentials()
                .AllowAnyMethod()
                .AllowAnyHeader();
    });

    app.UseRouting();

    app.UseAuthentication();
    app.UseAuthorization();

    app.UseEndpoints(endpoints =>
    {
        endpoints.MapControllers();
    });
  }
}