eager loading singleton csharp dependency injection

                
                        // This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
    // Has message bus connection
    services.AddSingleton<ISomeRespository, SomeRepository>();

// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(... ISomeRespository db)
{