github.com/iron-io/functions@v0.0.0-20180820112432-d59d7d1c40b2/examples/echo/Dockerfile (about) 1 FROM iron/ruby:dev 2 3 WORKDIR /function 4 ADD Gemfile /function/ 5 RUN bundle install 6 7 ADD . /function/ 8 9 ENTRYPOINT ["ruby", "function.rb"]