FROM ruby:3.1.2-slim RUN apt-get update -qq && apt-get install -yq --no-install-recommends \ build-essential \ gnupg2 \ less \ git \ libpq-dev \ postgresql-client \ libvips42 \ && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* ENV LANG=C.UTF-8 \ BUNDLE_JOBS=4 \ BUNDLE_RETRY=3 RUN gem update --system && gem install bundler WORKDIR /usr/src/app ENTRYPOINT ["./entrypoint.sh"] EXPOSE 3000 CMD ["bundle", "exec", "rails", "s", "-b", "0.0.0.0"]