anchor.diff:      oracle-java8-set-default
   
   # Maven
  -RUN apt-get install -y maven
  +RUN apt-get install -y maven=3.0.5-1
   
   # Node.js
  -RUN apt-get install -y nodejs
  +RUN apt-get install -y nodejs=0.10.37-1chl1~trusty1
   
   # Python
   RUN apt-get install -y \
  -  python \
  -  python-dev \
  -  python-setuptools \
  -  python-pip
  +  python=2.7.5-5ubuntu3 \
  +  python-dev=2.7.5-5ubuntu3 \
  +  python-setuptools=3.3-1ubuntu2 \
  +  python-pip=1.5.4-1ubuntu3
   
   # pip packages
   RUN pip install \
  -  pyyaml \
  -  tox \
  -  virtualenv
  +  pyyaml==3.11 \
  +  tox==2.3.1 \
  +  virtualenv==15.0.0
   
   # upgrade pip
   RUN pip install -U pip setuptools
   
   # Git
  -RUN apt-get install -y git
  +RUN apt-get install -y git=1:1.9.1-1ubuntu0.3
   
   # FFI lib
  -RUN apt-get install -y libffi-dev
  +RUN apt-get install -y libffi-dev=3.1~rc1+r3.0.13-12ubuntu0.1
   
   # GO
   RUN apt-get install -y \
  -    bison \
  -    curl && \
  +    bison=2:3.0.2.dfsg-2 \
  +    curl=7.35.0-1ubuntu2.6 && \
     curl -s -S -L https://raw.githubusercontent.com/moovweb/gvm/master/binscripts/gvm-installer | bash && \
     /bin/bash -c "source /root/.gvm/scripts/gvm && gvm install go1.4.2 && gvm use go1.4.2 && go get github.com/tools/godep" && \
  -  apt-get install -y gccgo-go && \
  +  apt-get install -y gccgo-go=1.2.1-0ubuntu1.2 && \
     mkdir ~/go-workspace && \
     echo '[[ -s "/root/.gvm/scripts/gvm" ]] && source "/root/.gvm/scripts/gvm"' >> /root/.profile && \
     echo "gvm use go1.4.2" >> /root/.bashrc && echo "gvm use go1.4.2" >> /root/.profile \
  
positive.code: ENV LC_ALL=en_US.UTF-8 LANG=en_US.UTF-8
  
  # Install libfontconfig package - phantomjs (console dependency) depends on this package
  RUN apt-get install -y libfontconfig
  
  # Install zip
  RUN apt-get install -y zip
  
  # Copy settings.xml file
  COPY settings.xml /usr/share/maven/conf/settings.xml
  
  # Install tmux and vim for convenience
  RUN apt-get install -y \
    tmux \
    vim
  
  # Create platform-parent and artifact output volumes
  RUN mkdir /platform-parent && mkdir /artifacts
  
negative.code: 
  # Java
  RUN apt-get update && apt-get install -y \
      software-properties-common=0.92.37.7 \
      python-software-properties=0.92.37.7 && \
    add-apt-repository ppa:chris-lea/node.js && \
    add-apt-repository ppa:webupd8team/java && \
    apt-get update && yes | apt-get install -y \
  