anchor.diff: -FROM ruby:2.4-alpine3.7 AS elektra
  +FROM ruby:2.4-alpine3.10 AS elektra
   
   ENV OVERLAY=sucks3
   
  +# alpine3.10
  +# nodejs (10.16.3-r0)
  +# yarn (1.16.0-r0)
   RUN apk --no-cache add git curl tzdata nodejs postgresql-client yarn
   
   # Install gems with native extensions before running bundle install
  
positive.code:       && gem install bindex -v 0.6.0 \
        && gem install sassc -v 2.2.1 \
        && runDeps="$( \
  		      scanelf --needed --nobanner --recursive /usr/local \
              | awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
              | sort -u \
              | xargs -r apk info --installed \
              | sort -u \
            )" \
        && apk add --virtual .rundeps $runDeps \
        && apk del .builddeps \
        && gem sources -c \
        && rm -f /usr/local/bundle/cache/*
  
  RUN curl -L -o /usr/bin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64 && \
      chmod +x /usr/bin/dumb-init && \
      dumb-init -V
  
  WORKDIR /home/app/webapp
  ENV RAILS_ENV=production
  
negative.code: # Install the SAP Global Root CA
  ADD docker/certs/*.crt /usr/local/share/ca-certificates/
  RUN update-ca-certificates \
        && curl https://github.wdf.sap.corp
  
  # install gems, copy app and run rake tasks
  RUN bundle install --without "development integration_tests"
  # install js packages
  RUN yarn install --production 
  
  ADD . /home/app/webapp
  
  