Program.cs

using System;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Serilog;
using SimpleServiceSample;

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

try
{
    Log.Information("Getting the motors running...");

    var builder = Host.CreateApplicationBuilder(args);
    
    builder.Services.AddHostedService<PrintTimeService>();

    builder.Services.AddSerilog((services, loggerConfiguration) => loggerConfiguration
        .ReadFrom.Configuration(builder.Configuration)
        .ReadFrom.Services(services)
        .Enrich.FromLogContext()
        .WriteTo.Console());

    var app = builder.Build();
    
    await app.RunAsync();
    
    return 0;
}
catch (Exception ex)
{
    Log.Fatal(ex, "Host terminated unexpectedly");
    return 1;
}
finally
{
    await Log.CloseAndFlushAsync();
}