Serilog Элементарная настройка

App.xaml.cs

//.......
using Serilog;
using ILogger = Microsoft.Extensions.Logging.ILogger;

using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
//.......

public static ILogger Logger;

//.......

public static IHostBuilder CreateHostBuilder(string[] args) => Host
           .CreateDefaultBuilder(args)
           .UseSerilog((context, services, configuration) => configuration
               .ReadFrom.Configuration(context.Configuration)
               .ReadFrom.Services(services)
               .Enrich.FromLogContext()
               //.WriteTo.Console()
               )
           .ConfigureServices(ConfigureServices);

protected override async void OnStartup(StartupEventArgs e)
        {
            var host = Hosting;

            Logger = Services.GetRequiredService<ILogger<App>>();

            Logger.LogInformation(".......");
            
            //...........
            
            base.OnStartup(e);
            await host.StartAsync();

        }

appsettings.json

{
  "Serilog": {
    "MinimumLevel": {
      "Default": "Information",
      "Override": {
        "Microsoft": "Warning",
        "Microsoft.Hosting.Lifetime": "Information"
      }
    },
    "Enrich": [ "FromLogContext", "WithMachineName", "WithThreadId" ],
    "WriteTo": [
      {
        "Name": "File",
        "Args": {
          "path": "./logs/txt/log_Statistics_.txt",
          "rollingInterval": "Day"
        }
      },
      {
        "Name": "File",
        "Args": {
          "path": "./logs/json/log-.json",
          "formatter": "Serilog.Formatting.Json.JsonFormatter, Serilog"
        }
      }
    ]
  }
}

Project.csproj

<ItemGroup>
  <PackageReference Include="Serilog" Version="2.11.0" />
  <PackageReference Include="Serilog.AspNetCore" Version="5.0.0" />
  <PackageReference Include="Serilog.Settings.Configuration" Version="3.3.0" />
  <PackageReference Include="Serilog.Sinks.File" Version="5.0.0" />
</ItemGroup>