anchor.diff:  WORKDIR /app/
   
   ARG build=0-dev
  +ENV build=$build
   
   RUN dotnet pack --version-suffix $build -c Release -o /app/artifacts
   ENTRYPOINT [ "dotnet", "nuget", "push", "/app/artifacts/*.nupkg" ]
  
positive.code: WORKDIR /app/
  
  ARG build=0-dev
  
  ENTRYPOINT [ "dotnet", "pack", "--version-suffix", "$build", "-c", "Release", "-o" "/app/artifacts" ]
  
  # publish
  
  
negative.code: FROM microsoft/dotnet:2.1.403-sdk AS build  
  WORKDIR /app
  ARG build=0-dev
  ENV build=$build
  
  COPY ./*.sln ./NuGet.config ./
  COPY ./build/*.props ./build/
  