FROM docker.rzen.dev/jekyll:latest COPY docker-entrypoint.sh /usr/local/bin/ # on every container start, check if Gemfile exists and warn if it's missing ENTRYPOINT [ "docker-entrypoint.sh" ] CMD [ "bundle", "exec", "jekyll", "serve", "--force_polling", "-H", "0.0.0.0", "-P", "4000" ]