abp/samples/BasicAspNetCoreApplication/BasicAspNetCoreApplication/AppModule.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.DependencyInjection;
using Volo.Abp;
using Volo.Abp.AspNetCore.Modularity;
using Volo.Abp.AspNetCore.Mvc;
using Volo.Abp.Modularity;

namespace BasicAspNetCoreApplication
{
    [DependsOn(typeof(AbpAspNetCoreMvcModule))]
    public class AppModule : AbpModule
    {
        public override void ConfigureServices(IServiceCollection services)
        {
            services.AddMvc();

            services.AddAssemblyOf<AppModule>();
        }

        public override void OnApplicationInitialization(ApplicationInitializationContext context)
        {
            var app = context.GetApplicationBuilder();
            var env = context.GetEnvironment();

            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            app.UseMvcWithDefaultRoute();
        }
    }
}