集中添加依赖注入DI

基础设施项目中集中添加依赖注入类：

namespace CleanArchitectureApp.Infrastructure;
public static class DependencyInjection
{
  public static IServiceCollection AddInfrastructureServices(this IServiceCollection services,
    IConfiguration configuration)
  {
    services.AddDbContext<AppDbContext>(options =>
    {
      options.UseSqlServer(configuration.GetConnectionString("DefaultConnection"));
    });
    return services;
  }
}

启动项目 Program.cs 文件中注册：

var builder = WebApplication.CreateBuilder(args);
builder.Services.AddInfrastructureServices(builder.Configuration);