static void Main(string[] args)
{
IServiceCollection serviceCollection = new ServiceCollection();
Startup startup = new Startup();
startup.ConfigureServices(serviceCollection);
//Can add extra services here if needed
IServiceProvider provider = serviceCollection.BuildServiceProvider();
//logging in void main
var logger = provider.GetService <ILogger <Program> >();
logger.LogInformation($"Application Started");
IAppHost appHost = provider.GetService <IAppHost>();
appHost.DoSomeWork();
}