1  FROM docker.io/ruby:alpine
 2  
 3  RUN apk add bash git alpine-sdk ruby-dev
 4  
 5  RUN mkdir -p /site
 6  
 7  WORKDIR /site
 8  RUN gem install phlexite bundler
 9  
10  
11  
12  CMD ["/bin/bash", "-c", "cd /site && bundle install && bundle exec ruby /site/build.rb"]