FROM ruby:alpine

RUN apk add make gcc libc-dev

WORKDIR /app
ADD gems.rb gems.locked ./
RUN bundle

ADD config.ru ./
ADD *.rb ./
ADD index.html.erb ./

WORKDIR /app/public
ADD saca-sapos ./
RUN tar czf saca-sapos.tar.gz saca-sapos
WORKDIR /app

EXPOSE 4567
CMD ["puma", "-p", "4567"]