StartupMethod.cs

public Startup(IHostingEnvironment env)
{
	var builder = new ConfigurationBuilder()
		.SetBasePath(env.ContentRootPath)
		.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
		.AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true);

	if (env.IsDevelopment())
	{
		// For more details on using the user secret store see http://go.microsoft.com/fwlink/?LinkID=532709
		builder.AddUserSecrets();

		// This will push telemetry data through Application Insights pipeline faster, allowing you to view results immediately.
		builder.AddApplicationInsightsSettings(developerMode: true);
	}

	builder.AddEnvironmentVariables();
	Configuration = builder.Build();
}