FROM amd64/debian:stretch as builder COPY ./quentin.dufour.io/Gemfile /root/quentin.dufour.io/Gemfile WORKDIR /root/quentin.dufour.io RUN apt-get update && \ apt-get install -y ruby-dev gem build-essential bundler zlib1g-dev libxml2-dev && \ bundle install COPY ./quentin.dufour.io/ /root/quentin.dufour.io/ RUN bundle exec jekyll build FROM superboum/amd64_webserver:v2 COPY --from=builder /root/quentin.dufour.io/_site /srv/http