anchor.diff:  
   ADD ./start.sh /start.sh
   
  -RUN apk --no-cache add \
  -        gcc \
  +RUN set -ex \
  +    # add build deps, remove after build
  +    && apk --no-cache add --virtual .build-deps \
           build-base \
  -        ncurses-terminfo-base \
  -        ncurses-terminfo \
  -        ncurses-libs \
  -        readline \
  +        # gcc \
  +        # make \
  +        bsd-compat-headers \
  +        perl \
           erlang \
           erlang-public-key \
           erlang-syntax-tools \
  
positive.code:         erlang-gs \
          erlang-observer \
          erlang-ssh \
          erlang-ose \
          erlang-cosfiletransfer \
          erlang-runtime-tools \
          erlang-os-mon \
  
negative.code:         erlang-hipe \
          erlang-ic \
          erlang-eunit \
          #erlang-webtool \
          erlang-mnesia \
          erlang-erl-interface \
          #erlang-test-server \
          erlang-sasl \
          erlang-jinterface \
          erlang-kernel \
  