anchor.diff:      && rm -rf cakeprimer
   
   # Cake
  -ENV CAKE_VERSION 0.22.2
  +ENV CAKE_VERSION 0.23.0
   RUN mkdir -p /opt/Cake/Cake \
       && curl -Lsfo Cake.zip "https://www.myget.org/F/cake/api/v2/package/Cake/$CAKE_VERSION" \
       && unzip -q Cake.zip -d "/opt/Cake/Cake" \
  
positive.code: # Display info installed components
  RUN mono --version
  RUN dotnet --info
  
negative.code: FROM ubuntu:16.04
  
  # Enable SSL
  RUN apt-get update \
      && apt-get install -y apt-transport-https curl tzdata git
  
  # Install .NET Core
  RUN curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > microsoft.gpg \
      && mv microsoft.gpg /etc/apt/trusted.gpg.d/microsoft.gpg \
      && sh -c 'echo "deb [arch=amd64] https://packages.microsoft.com/repos/microsoft-ubuntu-xenial-prod xenial main" > /etc/apt/sources.list.d/dotnetdev.list' \
      && apt-get update \
      && apt-get install -y dotnet-dev-1.1.4 unzip
  
  
  # Install mono
  RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF \
      && echo "deb http://download.mono-project.com/repo/debian wheezy/snapshots/4.4.2 main" > /etc/apt/sources.list.d/mono-xamarin.list \
      && apt-get update \
      && apt-get install -y mono-devel \
      && rm -rf /var/lib/apt/lists/*
  
  # Install NuGet
  RUN mkdir -p /opt/nuget \
  