anchor.diff:    && apt-get install -y \
       python \
       python-pip \
  +    python-dev \
       curl \
       vim \
       strace \
  
positive.code:   && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
    && rm -rf /var/lib/{apt,dpkg,cache,log}/
  
  # Setup home environment
  RUN useradd dev \
    && echo "dev ALL = NOPASSWD: ALL" > /etc/sudoers.d/00-dev \
  
negative.code:   && cd /tmp \
    && rm -rf packer
  
  # Install terraform to /usr/local/bin
  RUN mkdir -p /tmp/terraform \
    && cd /tmp/terraform \
    && wget https://dl.bintray.com/mitchellh/terraform/terraform_0.6.6_linux_amd64.zip \
    && unzip terraform_0.6.6_linux_amd64.zip \
    && rm terraform*.zip \
    && mv terraform* /usr/local/bin \
    && cd /tmp \
    && rm -rf terraform
  
  # Install python3 + friends
  RUN apt-get update \
    && apt-get install -y python3 python3-dev python3-pip python3.4-venv \
  