[C#/ASP.NET MVC/.NETCORE] Startup을 사용하지 않고 서비스 구성하기

TestProject.zip

0.01MB

▶ Program.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using System;

using TestProject.Data;
using TestProject.Models;

namespace TestProject
{
    /// <summary>
    /// 프로그램
    /// </summary>
    public class Program
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 프로그램 시작하기 - Main(argumentArray)

        /// <summary>
        /// 프로그램 시작하기
        /// </summary>
        /// <param name="argumentArray">배열 인자</param>
        public static void Main(string[] argumentArray)
        {
            IHost host = CreateHostBuilder(argumentArray).Build();

            using(IServiceScope scope = host.Services.CreateScope())
            {
                IServiceProvider serviceProvider = scope.ServiceProvider;

                try
                {
                    TestData.Initialize(serviceProvider);
                }
                catch(Exception exception)
                {
                    ILogger<Program> logger = serviceProvider.GetRequiredService<ILogger<Program>>();

                    logger.LogError(exception, "데이터베이스에 데이터 추가시 에러가 발생했습니다.");
                }
            }

            host.Run();
        }

        #endregion
        #region 호스트 빌더 생성하기 - CreateHostBuilder(argumentArray)

        /// <summary>
        /// 호스트 빌더 생성하기
        /// </summary>
        /// <param name="argumentArray">인자 배열</param>
        /// <returns>호스트 빌더</returns>
        public static IHostBuilder CreateHostBuilder(string[] argumentArray) =>
            Host.CreateDefaultBuilder(argumentArray)
                .ConfigureAppConfiguration
                (
                    (builderContext, configuration) =>
                    {
                    }
                )
                .ConfigureWebHostDefaults
                (
                    builder =>
                    {
                        builder.ConfigureServices
                        (
                            services =>
                            {
                                services.AddDbContext<DatabaseContext>(options => options.UseInMemoryDatabase("TestDB"));

                                services.AddControllersWithViews();
                            }
                        )
                        .Configure
                        (
                            app =>
                            {
                                ILoggerFactory      loggerFactory = app.ApplicationServices.GetRequiredService<ILoggerFactory>();
                                ILogger<Program>    logger        = loggerFactory.CreateLogger<Program>();
                                IWebHostEnvironment environment   = app.ApplicationServices.GetRequiredService<IWebHostEnvironment>();
                                IConfiguration      configuration = app.ApplicationServices.GetRequiredService<IConfiguration>();

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

                                app.UseHttpsRedirection();

                                app.UseRouting();

                                app.UseAuthorization();

                                app.UseEndpoints
                                (
                                    endpointRouterBuilder =>
                                    {
                                        endpointRouterBuilder.MapControllers();
                                    }
                                );
                            }
                        );
                    }
                );

        #endregion
    }
}