FROM ruby:3.2-slim

RUN apt-get update -qq && \
    apt-get install -y build-essential libmariadb-dev libyaml-dev git curl && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY Gemfile Gemfile.lock ./
RUN bundle install

COPY . .

RUN bundle exec rails assets:precompile 2>/dev/null || true

EXPOSE 3000

CMD ["bundle", "exec", "puma", "-C", "config/puma.rb"]