anchor.diff:  ENV LANG en_US.UTF-8
   RUN echo "en_US.UTF-8 UTF-8" >/etc/locale.gen && locale-gen
   
  -# RUN curl -sO https://packages.erlang-solutions.com/erlang-solutions_1.0_all.deb \
  -#     && dpkg -i erlang-solutions_1.0_all.deb
  -
  -# RUN apt-get install apt-transport-https ca-certificates
  -
  -#RUN curl -s https://packages.erlang-solutions.com/debian/erlang_solutions.asc \
  -#     | apt-key add -
  -#RUN printf "deb https://packages.erlang-solutions.com/debian stretch contrib\n" \
  -#     >>/etc/apt/sources.list.d/erlang-solutions.list
  -
  -#RUN apt-get update \
  -#    && DEBIAN_FRONTEND=noninteractive \
  -#       apt-get install -y --no-install-recommends \
  -#               esl-erlang \
  -#               elixir=1.7.4-*
  -
  -# # For erlang dev env, code coverage etc
  -# RUN apt-get install -y --no-install-recommends \
  -#             erlang-dev erlang-tools erlang-common-test
  -
   ARG MIX_ENV=prod
   
  -# RUN uname -a
   RUN mix local.hex --force
   RUN mix local.rebar --force
   
  
positive.code: ENV LANG en_US.UTF-8
  RUN echo "en_US.UTF-8 UTF-8" >/etc/locale.gen && locale-gen
  
  #EXPOSE 4040
  
  WORKDIR /signalbroker
  
  COPY --from=build-env signalbroker/_build ./_build/
  
negative.code: 
  FROM debian:stretch
  
  RUN apt-get update \
      && DEBIAN_FRONTEND=noninteractive \
         apt-get install -y --no-install-recommends \
  