SerilogExtensions.cs

public static class SerilogExtensions
{
    public static WebApplicationBuilder AddSerilog(this WebApplicationBuilder builder, IConfiguration configuration, string applicationName)
    {
        Log.Logger = new LoggerConfiguration()
            .ReadFrom.Configuration(configuration)
            .Enrich.FromLogContext()
            .Enrich.WithMachineName()
            .Enrich.WithEnvironmentUserName()
            .Enrich.WithExceptionDetails()
            .Enrich.WithElasticApmCorrelationInfo()
            .Enrich.WithProperty("ApplicationName", $"{applicationName} - {configuration.GetSection("DOTNET_ENVIRONMENT")?.Value}")
            .WriteTo.Async(writeTo => writeTo.Elasticsearch(new ElasticsearchSinkOptions(new Uri(configuration["ElasticsearchSettings:uri"]))
            {
                CustomFormatter = new EcsTextFormatter(),
                AutoRegisterTemplate = true,
                IndexFormat = "indexlogs",
                ModifyConnectionSettings = x => x.BasicAuthentication(configuration["ElasticsearchSettings:username"], configuration["ElasticsearchSettings:password"])
            }))
            .WriteTo.Async(writeTo => writeTo.Console(outputTemplate: "[{Timestamp:HH:mm:ss} {Level:u3}] {Message:lj} {Properties:j}{NewLine}{Exception}"))
            .CreateLogger();

        builder.Logging.ClearProviders();
        builder.Host.UseSerilog(Log.Logger, true);

        return builder;
    }
}