// This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            // add facebook login, more too soon - changed in netcore v2
            if (_isDevelopment)
            {                
                services.AddAuthentication()
                             .AddGoogle(googleOptions =>
                             {
                                 googleOptions.ClientId = Environment.GetEnvironmentVariable
                                                                ("Authentication:Google:ClientId");
                                 googleOptions.ClientSecret = Environment.GetEnvironmentVariable
                                                                ("Authentication:Google:ClientSecret");
                             });
            }
            else
            {
                services.AddAuthentication()
                            .AddGoogle(googleOptions =>
                            {
                                googleOptions.ClientId = Configuration["Authentication:Google:ClientId"];
                                googleOptions.ClientSecret = Configuration["Authentication:Google:ClientSecret"];
                            });
            }
        }