anchor.diff:  
   # Install all TeX and LaTeX dependences
   RUN apt-get update && \
  -  apt-get install --yes --no-install-recommends \
  -  make \
  -  git \
  -  ca-certificates \
  -  locales \
  -  lmodern \
  -  texlive-latex-base \
  -  texlive-fonts-recommended \
  -  texlive-generic-recommended \
  -  texlive-lang-english \
  -  texlive-lang-german \
  -  latex-xcolor \
  -  texlive-math-extra \
  -  texlive-latex-extra \
  -  texlive-bibtex-extra \
  -  biber \
  -  fontconfig \
  -  texlive-xetex && \
  -  apt-get autoclean && apt-get --purge --yes autoremove && \
  +    apt-get install --yes --no-install-recommends apt-utils && \ 
  +    apt-get install --yes --no-install-recommends \
  +            make \
  +            git \
  +            wget \
  +            apt-transport-https \
  +            lsb-release \
  +            ca-certificates \
  +            locales \
  +            lmodern \
  +            texlive-latex-base \
  +            texlive-fonts-recommended \
  +            texlive-generic-recommended \
  +            texlive-lang-english \
  +            texlive-lang-german \
  +            latex-xcolor \
  +            texlive-math-extra \
  +            texlive-latex-extra \
  +            texlive-bibtex-extra \
  +            biber \
  +            fontconfig \
  +            texlive-xetex && \
  +  apt-get autoclean && \
  +  apt-get --purge --yes autoremove && \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
  +
  +# Install PHP
  +RUN  wget -O /etc/apt/trusted.gpg.d/php.gpg https://packages.sury.org/php/apt.gpg && \
  +     echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" > /etc/apt/sources.list.d/php.list && \
  +     apt-get update && \
  +     apt-get install --yes --no-install-recommends \
  +                     php7.1 \
  +                     php7.1-curl \
  +                     php7.1-zip \
  +                     php7.1-xml && \
  +     apt-get autoclean && \
  +     apt-get --purge --yes autoremove && \
  +     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* 
   
   # Install Pandoc
   RUN cabal update && cabal install \
  
positive.code:   pandoc-citeproc \
    pandoc-citeproc-preamble \
    pandoc-crossref
  
  # Set the locale
  RUN dpkg-reconfigure locales
  
negative.code: FROM haskell:8
  MAINTAINER Jan Philip Bernius <janphilip@bernius.net>
  
  # Set to Non-Interactive
  