DotNet Core Dependency Injection in Console App

ConsoleDependencyInjection.cs

        private static ParcelsRepository _parcelsRepository;

        static void Main(string[] args)
        {

             var configuration = new ConfigurationBuilder().AddJsonFile("appsettings.json").Build();
            var cn = configuration.GetConnectionString("CrossbeltDataContext");

            var options = new DbContextOptionsBuilder<CrossbeltDataContext>();
            options.UseSqlServer(cn);


            var services = new ServiceCollection();

            services.AddTransient<IParcelsRepository, ParcelsRepository>();
            services.AddTransient<IGatesRepository, GatesRepository>();
            services.AddTransient<ISortedParcelsRepository, SortedParcelsRepository>();

            services.AddDbContext<CrossbeltDataContext>(options => options.UseSqlServer(cn));

            var serviceProvider = services.BuildServiceProvider();
            var _parcelsRepository = serviceProvider.GetService<IParcelsRepository>();
            var _db = serviceProvider.GetService<CrossbeltDataContext>();

        }

Microsoft.Extensions.Configuration.Json
The AddJsonFile extension methods come from the Microsoft.Extensions.Configuration.Json NuGet package.