anchor.diff:  
   ENV RAILS_LOG_TO_STDOUT true
   
  +#ENV RAILS_SERVE_STATIC_FILES true
  +
   ENV LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.2
   
   SHELL ["/bin/bash", "-o", "pipefail", "-c"]
   
   EXPOSE 3000/tcp
   
  -RUN rails server
  +#RUN rails server
   
   CMD ["rails", "server", "-b", "0.0.0.0"]
  -
  -#ENV RAILS_SERVE_STATIC_FILES true
  
positive.code: RUN set -eux; \
      apt-get update -y ; \
      apt-get dist-upgrade -y ; \
      apt-get install libpq5 wait-for-it libjemalloc2 shared-mime-info --no-install-recommends -y ; \
      apt-get autoremove -y ; \
      apt-get clean -y ; \
      rm -rf /var/lib/apt/lists/*
  
negative.code: 
  RUN find /usr/local/bundle/gems/ -name "*.o" -delete
  
  COPY . .
  
  RUN bundle exec bootsnap precompile --gemfile app/ lib/
  