DEMOMySql/MicroServices/Procurement/Procurement.Host/Startup.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;

namespace Procurement
{
    public class Startup
    {
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddApplication<ProcurementHostModule>();
            services.AddMvc(options =>
            {
                options.ReturnHttpNotAcceptable = true;
            })
            .AddJsonOptions(options =>
            {
                options.JsonSerializerOptions.PropertyNamingPolicy = null;
            });
        }

        public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILoggerFactory loggerFactory)
        {
            app.InitializeApplication();
        }
    }
}