Startup.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Course.Api.Seeding;
using Course.Api.Domain;
using Course.Api.Installers;
using Course.Api.Options;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using MongoDB.Driver;

namespace Course.Api
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.InstallServicesInAssemply(Configuration);
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
               
                // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
                app.UseHsts();
            }

            app.UseHttpsRedirection();
            app.UseStaticFiles();

            app.UseCors("EnableCORS");
            var swaggerOptions = new SwaggerOptions();
            Configuration.GetSection(nameof(SwaggerOptions)).Bind(swaggerOptions);
            app.UseSwagger(options =>
            {
                options.RouteTemplate = swaggerOptions.JsonRoute;
            });

            app.UseSwaggerUI(options =>
            {
                options.SwaggerEndpoint(swaggerOptions.UIEndPoint, swaggerOptions.Description);

            });
            app.UseMvc();

            var courseSettings = Configuration.GetSection(nameof(CourseStoreDatabaseSettings));
            var settings = new CourseStoreDatabaseSettings
            {
                ConnectionString = courseSettings["ConnectionString"],
                CoursesCollectionName = courseSettings["CoursesCollectionName"],
                DatabaseName = courseSettings["DatabaseName"]
            };
            using (var serviceScope = app.ApplicationServices.GetRequiredService<IServiceScopeFactory>().CreateScope())
            {

                serviceScope.ServiceProvider.GetService<IMongoCollection<MongoCourseDto>>().CoursesSeeding(settings);

            }
        }
    }
}