anchor.diff:      imagemagick \
       libidn \
       libpq \
  +    libxml2 \
  +    libxslt \
       protobuf \
       tini \
       tzdata \
  
positive.code: 
  COPY Gemfile Gemfile.lock package.json yarn.lock .yarnclean /mastodon/
  
  RUN bundle config build.nokogiri --with-iconv-lib=/usr/local/lib --with-iconv-include=/usr/local/include \
   && bundle install -j$(getconf _NPROCESSORS_ONLN) --deployment --without test development \
   && yarn install --pure-lockfile --ignore-engines \
   && yarn cache clean
  
negative.code:     libidn-dev \
      libressl \
      libtool \
      libxml2-dev \
      libxslt-dev \
      postgresql-dev \
      protobuf-dev \
      python \
  