Program.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
using Serilog;
using Serilog.Sinks.Elasticsearch;

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

        public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
            WebHost.CreateDefaultBuilder(args)
            .UseSerilog((hostingContext, loggerConfiguration) => loggerConfiguration
                .ReadFrom.Configuration(hostingContext.Configuration)
                .Enrich.FromLogContext()
                .WriteTo.Console()
                .WriteTo.Elasticsearch(new ElasticsearchSinkOptions(new Uri("http://localhost:9200")) {
                        AutoRegisterTemplate = true,
                        AutoRegisterTemplateVersion = AutoRegisterTemplateVersion.ESv6
                }))
                .UseStartup<Startup>();
    }
}