Program.cs

using System.IO;
using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
using Serilog;

namespace check_yo_self;

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

    public static IWebHostBuilder CreateHostBuilder(string[] args) =>
        WebHost.CreateDefaultBuilder(args)
        .ConfigureAppConfiguration((hostingContext, config) =>
        {
            var appsettingsConfig = new ConfigurationBuilder()
                    .SetBasePath(Directory.GetCurrentDirectory())
                    .AddJsonFile("appsettings.json", optional: false)
                    .AddEnvironmentVariables()
                    .Build();

            config
                .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
                .AddJsonFile($"appsettings.{hostingContext.HostingEnvironment.EnvironmentName}.json", optional: true)
                .AddEnvironmentVariables();
        })
        .ConfigureLogging((hostingContext, logging) =>
        {
            logging.ClearProviders();
            check_yo_self.Server.Startup.Serilog.Setup(hostingContext);
            logging.AddSerilog(dispose: true);
        })
        .UseConfiguration(
            new ConfigurationBuilder()
            .SetBasePath(Directory.GetCurrentDirectory())
            .AddCommandLine(args)
            .AddEnvironmentVariables()
            .Build()
        )
        .UseStartup<Startup>();
}