Serilog Two Stage Init Infinite Loop Example

ExampleSink.cs

using Microsoft.Extensions.Caching.Memory;
using Serilog.Core;
using Serilog.Events;

namespace SerilogLoopGist;

public class ExampleSink : ILogEventSink
{
    private readonly IMemoryCache _memoryCache;

    public ExampleSink(IMemoryCache memoryCache)
    {
        _memoryCache = memoryCache;
    }

    public void Emit(LogEvent logEvent)
    {
        // do nothing
    }
}

Program.cs

using Serilog;
using Serilog.Core;
using Serilog.Events;
using SerilogLoopGist;

Log.Logger = new LoggerConfiguration()
    .WriteTo.Console()
    .CreateBootstrapLogger();

try
{

    var builder = WebApplication.CreateBuilder(args);

    builder.Services.AddMemoryCache();
    builder.Services.AddSingleton<ILogEventSink, ExampleSink>();

    builder.Host.UseSerilog((context, serviceProvider, configuration) =>
    {
        configuration
            .ReadFrom.Configuration(context.Configuration)
            .ReadFrom.Services(serviceProvider)
            .Enrich.FromLogContext()
            .WriteTo.Console();
    });


    var app = builder.Build();

    app.MapGet("/", () => "Hello World!");

    app.Run();
    return 0;
}
catch (Exception ex)
{
    Log.Fatal(ex, ex.Message);
    return 1;
}
finally
{
    Log.CloseAndFlush();
}

SerilogLoopGist.csproj

<Project Sdk="Microsoft.NET.Sdk.Web">

  <PropertyGroup>
    <TargetFramework>net6.0</TargetFramework>
    <Nullable>enable</Nullable>
    <ImplicitUsings>enable</ImplicitUsings>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="Serilog.AspNetCore" Version="5.0.0" />
  </ItemGroup>

</Project>