FROM ruby:2.5.0-alpine

RUN apk upgrade --update \
&& apk add libatomic readline readline-dev \
   libxml2 libxml2-dev libxml2-utils \
   ncurses-terminfo-base ncurses-terminfo \
   libxslt libxslt-dev zlib-dev zlib ruby yaml \
   yaml-dev libffi-dev build-base git nodejs \
   ruby-io-console ruby-irb ruby-json ruby-rake \
   imagemagick imagemagick-dev make \
   gcc g++ libffi-dev ruby-dev
RUN apk add --no-cache git
RUN mkdir /app
WORKDIR /app

COPY Gemfile ./Gemfile
COPY Gemfile.lock ./Gemfile.lock
COPY Gemfile* /tmp/
WORKDIR /tmp
RUN apk add libgcrypt-dev
RUN gem install nokogiri
RUN bundle install
COPY . .