asp-net-hello-world.csproj

<Project Sdk="Microsoft.NET.Sdk.Web">

  <PropertyGroup>
    <TargetFramework>netcoreapp3.1</TargetFramework>
    <DebugType>portable</DebugType>
    <OutputType>Exe</OutputType>
  </PropertyGroup>

  <ItemGroup>
    <None Update="wwwroot\**\*;testCert.pfx">
      <CopyToPublishDirectory>PreserveNewest</CopyToPublishDirectory>
    </None>
  </ItemGroup>

</Project>