Added serilog logging to blazor server side.

templates/app/aspnet-core/.gitignore

@@ -258,3 +258,4 @@ src/MyCompanyName.MyProjectName.IdentityServer/Logs/*
 src/MyCompanyName.MyProjectName.HttpApi.Host/Logs/*
 src/MyCompanyName.MyProjectName.HttpApi.HostWithIds/Logs/*
 src/MyCompanyName.MyProjectName.DbMigrator/Logs/*
+src/MyCompanyName.MyProjectName.Blazor.Server/Logs/*

templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Blazor.Server/Program.cs

@@ -1,13 +1,45 @@
+using System;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Hosting;
+using Serilog;
+using Serilog.Events;
 
 namespace MyCompanyName.MyProjectName.Blazor.Server
 {
     public class Program
     {
-        public static void Main(string[] args)
+        public static int Main(string[] args)
         {
-            CreateHostBuilder(args).Build().Run();
+            Log.Logger = new LoggerConfiguration()
+#if DEBUG
+                .MinimumLevel.Debug()
+#else
+                .MinimumLevel.Information()
+#endif
+                .MinimumLevel.Override("Microsoft", LogEventLevel.Information)
+                .MinimumLevel.Override("Microsoft.EntityFrameworkCore", LogEventLevel.Warning)
+                .Enrich.FromLogContext()
+                .WriteTo.Async(c => c.File("Logs/logs.txt"))
+#if DEBUG
+                .WriteTo.Async(c => c.Console())
+#endif
+                .CreateLogger();
+
+            try
+            {
+                Log.Information("Starting web host.");
+                CreateHostBuilder(args).Build().Run();
+                return 0;
+            }
+            catch (Exception ex)
+            {
+                Log.Fatal(ex, "Host terminated unexpectedly!");
+                return 1;
+            }
+            finally
+            {
+                Log.CloseAndFlush();
+            }
         }
 
         public static IHostBuilder CreateHostBuilder(string[] args) =>
@@ -16,6 +48,7 @@ namespace MyCompanyName.MyProjectName.Blazor.Server
                 {
                     webBuilder.UseStartup<Startup>();
                 })
-                .UseAutofac();
+                .UseAutofac()
+                .UseSerilog();
     }
 }