parr_api/PARR.Infrastructure/DependencyInjection.cs

using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;

namespace PARR.Infrastructure
{
    public static class DependencyInjection
    {
        /// <summary>
        /// Регистрация инфраструктурных сервисов
        /// </summary>
        /// <param name="services"></param>
        /// <param name="configuration"></param>
        /// <returns></returns>
        public static IServiceCollection AddInfrastructureServices(this IServiceCollection services, IConfiguration configuration)
        {
            // тут регистрируем все внешние сервисы, Rabbit, Redis, Email...

            //services.AddTransient<IEmailService, EmailService>();
            //services.AddTransient<IRabbitService, RabbitService>();
            ////Redis (singleton)

            return services;
        }
    }
}