docker-sites-status-server/backend/SiteStatus/SiteStatus/SiteStatus.csproj

<Project Sdk="Microsoft.NET.Sdk.Web">
  <PropertyGroup>
    <TargetFramework>netcoreapp2.1</TargetFramework>
  </PropertyGroup>
  <ItemGroup>
    <Folder Include="wwwroot\" />
  </ItemGroup>
  <ItemGroup>
    <PackageReference Include="ARSoft.Tools.Net">
      <Version>2.2.9</Version>
    </PackageReference>
    <PackageReference Include="Microsoft.AspNetCore.App" />
    <PackageReference Include="System.Net.Ping">
      <Version>4.3.0</Version>
    </PackageReference>
  </ItemGroup>
</Project>