Apply ILogger, IOptions, IHostedService patterns to .NET Core 3.1 example (#514)

examples/WireMock.Net.WebApplication.NETCore3/Program.cs

@@ -1,59 +1,30 @@
-using System;
-using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Logging;
-using WireMock.Settings;
-// using Microsoft.Extensions.Logging.Console;
-
-namespace WireMock.Net.WebApplication
-{
-    public class Program
-    {
-        public static void Main(string[] args)
-        {
-            // Create service collection
-            var serviceCollection = new ServiceCollection();
-            ConfigureServices(serviceCollection);
-
-            // Create service provider
-            var serviceProvider = serviceCollection.BuildServiceProvider();
-
-            // Run app
-            serviceProvider.GetService<App>().Run();
-        }
-
-        private static void ConfigureServices(IServiceCollection serviceCollection)
-        {
-            // Build configuration
-            var configuration = new ConfigurationBuilder()
-                .SetBasePath(AppContext.BaseDirectory)
-                .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
-                .AddEnvironmentVariables() // <-- this is needed to to override settings via the Azure Portal App Settings
-                .Build();
-
-            // Add LoggerFactory
-            var factory = new LoggerFactory();
-            //var consoleLog = new ConsoleLoggerProvider(configuration.GetSection("Logging"));
-            serviceCollection.AddSingleton(factory
-              //  .AddProvider(configuration.GetSection("Logging"))
-//                .AddDebug()
-  //              .AddAzureWebAppDiagnostics()
-            );
-
-            serviceCollection.AddSingleton(factory.CreateLogger("WireMock.Net Logger"));
-
-            // Add access to generic IConfigurationRoot
-            serviceCollection.AddSingleton(configuration);
-
-            // Add access to WireMockServerSettings
-            var settings = configuration.GetSection("WireMockServerSettings").Get<WireMockServerSettings>();
-            serviceCollection.AddSingleton<WireMockServerSettings>(settings);
-
-            // Add services
-            serviceCollection.AddTransient<IWireMockService, WireMockService>();
-
-            // Add app
-            serviceCollection.AddTransient<App>();
-        }
-    }
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using WireMock.Settings;
+
+namespace WireMock.Net.WebApplication
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            CreateHostBuilder(args).Build().Run();
+        }
+
+        private static IHostBuilder CreateHostBuilder(string[] args)
+            => Host.CreateDefaultBuilder(args)
+                .ConfigureServices((host, services) => ConfigureServices(services, host.Configuration));
+
+        private static void ConfigureServices(IServiceCollection services, IConfiguration configuration)
+        {
+            services.AddLogging(logging => logging.AddConsole().AddDebug());
+
+            services.AddTransient<IWireMockService, WireMockService>();
+            services.Configure<WireMockServerSettings>(configuration.GetSection("WireMockServerSettings"));
+
+            services.AddHostedService<App>();
+        }
+    }
 }