Program.cs

using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;

namespace IbgeService
{
    public class Program
    {
        public static void Main(string[] args)
        {
            CreateHostBuilder(args).Build().Run();
        }

        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .ConfigureLogging((hostBuilder, loggingBuilder) =>
                {
                    loggingBuilder.ClearProviders();
                    loggingBuilder.AddConfiguration(hostBuilder.Configuration.GetSection("Logging"));
                    loggingBuilder.AddConsole(options => options.IncludeScopes = true);
                })
                .ConfigureAppConfiguration((hostingContext, config) =>
                {
                    var env = hostingContext.HostingEnvironment;

                    if (env.IsProduction())
                    {
                        config.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true);
                        config.AddEnvironmentVariables();
                    }
                })
                .ConfigureWebHostDefaults(webBuilder =>
                {
                    webBuilder.UseStartup<Startup>();
                });
    }
}