anchor.diff: -FROM haskell:7
  +FROM haskell:8
   MAINTAINER Jan Philip Bernius <janphilip@bernius.net>
   
   # Set to Non-Interactive
  
positive.code:   pandoc-citeproc \
    pandoc-citeproc-preamble \
    pandoc-crossref
  
  # Set the locale
  RUN dpkg-reconfigure locales
  
negative.code: 
  # Install all TeX and LaTeX dependences
  RUN apt-get update && \
      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 \
  