Startup.cs

using AutoMapper;
using IEIPaperSearch.Persistence;
using IEIPaperSearch.Services.DataLoaders;
using IEIPaperSearch.Services.Search;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using System;

namespace IEIPaperSearch
{
    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.AddDbContext<PaperSearchContext>(options =>
                options.UseSqlServer(Configuration.GetConnectionString("PaperSearchContext")));

            services.AddAutoMapper(AppDomain.CurrentDomain.GetAssemblies());

            services.AddTransient<IDataLoaderService, DataLoaderService>();
            services.AddTransient<ISearchService, SearchService>();

            services.AddRazorPages();

            services.AddControllers();

            services.AddOpenApiDocument(config =>
            {
                config.Title = "IEIPaperSearch";
                config.Version = "0.1.0";
                config.GenerateXmlObjects = true;
            });
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Error");
                // 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.UseRouting();

            app.UseAuthorization();

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

            app.UseOpenApi();
            app.UseSwaggerUi3();
        }
    }
}