FROM jruby:9.4-jdk17 RUN apt-get update -y && apt-get install netbase -y WORKDIR /rack COPY Gemfile ./ RUN bundle config set without 'development test' RUN bundle install --jobs=8 COPY . . EXPOSE 8080 CMD bundle exec puma -C config/puma.rb -b tcp://0.0.0.0:8080 -e production