anchor.diff:    libxslt1-dev \
     python-pip  \
     python-dev \
  +  python-setuptools \
     python-lxml \
     swig \
     --no-install-recommends
  
positive.code: #   sudo docker run -it -p 8080:8080 spiderfoot
  
  # Pull the base image.
  FROM ubuntu:14.04
  
  # Install pre-requisites.
  RUN apt-get update && apt-get install -y \
  
negative.code: RUN addgroup spiderfoot && \
      useradd -r -g spiderfoot -d /home/spiderfoot -s /sbin/nologin -c "SpiderFoot User" spiderfoot
  
  ENV SPIDERFOOT_VERSION 2.7.1
  
  # Download the specified release.
  WORKDIR /home
  