anchor.diff:  
   ENV LANG=C.UTF-8 LC_ALL=C.UTF-8
   
  -RUN apt-get update -q && apt-get install -y build-essential libtool autoconf curl
  +RUN apt-get update -q && apt-get install -y build-essential libtool autoconf curl git
   
   RUN DEBIAN_CODENAME=$(sed -n 's/VERSION=.*(\(.*\)).*/\1/p' /etc/os-release) && \
       curl -q https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add - && \
  
positive.code: RUN mix local.hex --force && \
      mix local.rebar --force && \
      mix hex.info
  
  
  WORKDIR /src
  ADD ./ /src/
  
negative.code: RUN cd /src/ && npm install && npm run deploy
  RUN mix phx.digest
  RUN mix release --env=$MIX_ENV
  
  # Make the git HEAD available to the released app
  RUN if [ -d .git ]; then \
          mkdir /src/_build/prod/rel/.git && \
          git rev-parse --short HEAD > /src/_build/prod/rel/.git/HEAD \
      fi
  
  ####
  
  