UseSerilog unknown reference in ConfigureWebHostDefaults

Question

i followed few tutorials and im stuck building the default dotnet 3.1 with serilog in program.cs this line wont build here is the code https://github.com/guymalka/serilog-dotnetcore/blob/master/Program.cs what reference do I need to add here?

Answer 1

First include nuget package reference in your .csproj file:

<PackageReference Include="Serilog.AspNetCore" Version="3.4.0" />

and dotnet restore your project.
After that import the Serilog namespace in your Program.cs file (you could do that in Startup as well):

using Serilog;

That should be enough for you to register Serilog like so:

public static IHostBuilder CreateHostBuilder(string[] args) =>
  Host.CreateDefaultBuilder(args)
    .UseSerilog()
    .ConfigureWebHostDefaults(webBuilder =>
    {
      webBuilder.UseStartup<Startup>();
    });

Note that if you wish to configure other aspects, e.g., your sinks, with Serilog chances are you'll have to include separate packages:

<PackageReference Include="Serilog.Sinks.Console" Version="3.1.1" />