Configure Serilog with WebApplicationBuilder in Net 6

Question

I Net Core 5 I used to configure Serilog using the recommended approach:

public static void Main(string[] args) { Log.Logger = new LoggerConfiguration().WriteTo.Console().CreateLogger(); try { Log.Information("Starting up"); CreateHostBuilder(args).Build().Run(); } catch (Exception ex) { Log.Fatal(ex, "Application start-up failed"); } finally { Log.CloseAndFlush(); } } public static IHostBuilder CreateHostBuilder(string[] args) => Host.CreateDefaultBuilder(args) .UseSerilog() .ConfigureWebHostDefaults(webBuilder => { webBuilder.UseStartup<Startup>(); });

How to configure Serilog in Net 6 using WebApplicationBuilder:

var builder = WebApplication.CreateBuilder(args); // Configure Serilog var app = builder.Build();

Kahbazi · Accepted Answer · 2021-11-28 11:22:08Z

You can still use the same extension method on Host.

using Serilog; var builder = WebApplication.CreateBuilder(args); builder.Host.UseSerilog(); var app = builder.Build();

CJ314 · Accepted Answer · 2022-06-14 20:20:04Z

To expand a bit on Kahbazi's answer:

If you want to configure with your appsetting.json files, you'll need to install Nuget package Serilog.AspNetCore and put this code in Program.cs:

using Serilog; var builder = WebApplication.CreateBuilder(args); builder.Host.UseSerilog((hostContext, services, configuration) => { configuration.ReadFrom.Configuration(hostContext.Configuration); }); // ... var app = builder.Build(); // ... app.Run();

and this code in appsettings.json:

{ "Serilog": { "Using": [ "Serilog.Sinks.Console" ], "MinimumLevel": "Verbose", "Enrich": [ "FromLogContext" ], "WriteTo": [ { "Name": "Console" } ] }, "YourCustomConfigKey1": "blahblah", "YourCustomConfigKey2": "asdf" }

Thank you for that snippet in Program.cs, that was the missing piece for me.

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