public Startup(IHostingEnvironment env, ILoggerFactory loggerFactory)
{
//Configuration = SetupConfigurationBuilder(configurationBuilder, env); it looks like the default provider does not have a IConfiguartionBuilder registered on app init
Configuration = SetupConfigurationBuilder(new ConfigurationBuilder(), env);
_logger = loggerFactory.AddCreateCustomLogger(Configuration, env);
_logger.LogInformation("Created and added custom logger");
}