Logging to the console with .NET 7 + top level statements + Serilog + custom logging extension method

program.cs

/*

  <ItemGroup>
    <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.1" />
    <PackageReference Include="Serilog.Extensions.Logging" Version="7.0.0" />
    <PackageReference Include="Serilog.Formatting.Compact" Version="1.1.0" />
    <PackageReference Include="Serilog.Sinks.Console" Version="4.1.0" />
  </ItemGroup>
 
 */




using Microsoft.Extensions.Logging;
using Serilog;
using Serilog.Formatting.Compact;

Log.Logger = new LoggerConfiguration()
    .WriteTo.Console(new CompactJsonFormatter()) // See all the scoped items.
    .WriteTo.Console() // See a human readable line
    .CreateLogger();

ILoggerFactory loggerFactory = new LoggerFactory()
    .AddSerilog();

var logger = loggerFactory.CreateLogger<Program>();

string subscriptionId = "ABC123";

using var _ = logger.BeginScopeCustom(subscriptionId);
 
logger.LogInformation("This is a log message with subscriptionId {SubscriptionId}", subscriptionId);


// REF: https://andrewlock.net/using-anonymous-types-and-tuples-to-attach-correlation-ids-to-scope-state-with-serilog-and-seq-in-asp-net-core/

public static class LoggerExtensions
{
    public static IDisposable? BeginScopeCustom(this ILogger logger, object input) =>
        logger.BeginScopeCustom(nameof(input), input);

    public static IDisposable? BeginScopeCustom(this ILogger logger, string key, object value) =>
        logger.BeginScope(new Dictionary<string, object> { { key, value } });
}