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 curl gnupg && \
    curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
    echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list && \
    apt-get update -qq && apt-get install -y yarn && \
    useradd --user-group --create-home --shell /bin/false app

ENV HOME=/home/app
WORKDIR $HOME/wedding
USER app

# Copy only Gemfiles first for caching
COPY --chown=app:app Gemfile Gemfile.lock ./
RUN bundle install

# Copy the rest of the app
COPY --chown=app:app . ./

# Run bundle again in case new gems are required (because of conditional Gemfile logic)
RUN bundle install

# Compile assets (SCSS -> CSS)
RUN bundle exec rake assets:precompile

CMD ["bundle", "exec", "rails", "server", "-b", "0.0.0.0"]