FROM ruby:2.7.8 RUN apt-get update -qq && \ curl -sL https://deb.nodesource.com/setup_16.x | bash - && \ apt-get install -y build-essential libpq-dev nodejs && \ useradd --user-group --create-home --shell /bin/false app ENV HOME=/home/app WORKDIR $HOME/wedding USER app ENV RAILS_ENV=production # Install gems first COPY --chown=app:app Gemfile Gemfile.lock ./ RUN bundle install --without development test # Copy application code COPY --chown=app:app . ./ # Precompile assets RUN bundle exec rake assets:precompile # Start server CMD ["bundle", "exec", "rails", "server", "-b", "0.0.0.0"]