anchor.diff:  ENV UID=991 GID=991 \
       RAILS_SERVE_STATIC_FILES=true \
       RAILS_ENV=production NODE_ENV=production
  +
  +ARG LIBICONV_VERSION=1.15
  +ARG LIBICONV_DOWNLOAD_SHA256=ccf536620a45458d26ba83887a983b96827001e92a13847b45e4925cc8913178
   
   EXPOSE 3000 4000
   
  
positive.code:     build-base \
      icu-dev \
      libidn-dev \
      libxml2-dev \
      libxslt-dev \
      postgresql-dev \
      protobuf-dev \
      python \
  
negative.code:     imagemagick@edge \
      libidn \
      libpq \
      nodejs-npm@edge \
      nodejs@edge \
      protobuf \
  