anchor.diff:  ENV LANGUAGE en_US:en
   ENV LC_ALL en_US.UTF-8
   ENV DEBIAN_FRONTEND noninteractive
  +ENV MIX_ENV prod
   
   RUN apt-get update \
     && apt-get install -y \
  
positive.code:   && apt-get dist-upgrade -y
  
  # Install nvm
  RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.32.1/install.sh | bash
  
  # Switch to directory with sources
  WORKDIR /src
  
negative.code:   && npm install
  
  RUN mix compile \
    && phoenix.digest
  
  ADD .docker/start.sh /start.sh
  
  