anchor.diff:    chmod a+x /snap/bin/snapcraft && \
     apt-get autoclean --yes && \
     apt-get clean --yes
  -
   ENV SNAP=/snap/snapcraft/current
   ENV SNAP_NAME=snapcraft
   ENV SNAP_VERSION=beta
  
positive.code: ENV NVM_DIR /usr/local/nvm
  RUN curl https://raw.githubusercontent.com/creationix/nvm/v0.33.8/install.sh | bash
  
  RUN apt-get update && \
    apt-get dist-upgrade --yes && \
    apt-get install --yes \
  
negative.code: FROM microsoft/vsts-agent:ubuntu-16.04-standard
  MAINTAINER Daniel Imms <daimms@microsoft.com>
  
  ARG DEBIAN_FRONTEND=noninteractive
  RUN apt-get update
  
  # Dependencies
  RUN apt-get install -y build-essential \
    gcc-multilib \
    g++-multilib \
    git \
    dpkg-dev \
    zip \
    rpm \
    createrepo \
    python-gtk2 \
    jq \
    xvfb \
    fakeroot \
    libgtk2.0-0 \
    libgconf-2-4 \
    libnss3 \
    libasound2 \
    libxtst6 \
    libfuse2 \
    libnotify-bin \
    libx11-dev \
    libxss1 \
    libx11-xcb-dev \
    libxkbfile-dev \
    bc \
    bsdmainutils \
    libsecret-1-dev
  
  # Xvfb
  # Thanks https://medium.com/@griggheo/running-headless-selenium-webdriver-tests-in-docker-containers-342fdbabf756
  ADD ../x64/xvfb.init /etc/init.d/xvfb
  RUN chmod +x /etc/init.d/xvfb
  RUN update-rc.d xvfb defaults
  
  