app/templates/docker/dockerfile_ruby.j2

# Ruby {{ config.rubyVersion or '3.2' }} Dockerfile
FROM ruby:{{ config.rubyVersion or '3.2' }}-alpine

WORKDIR /app

# Install dependencies
RUN apk add --no-cache \
    build-base \
    postgresql-dev \
    tzdata \
    nodejs \
    yarn

# Copy Gemfile
COPY Gemfile Gemfile.lock* ./

# Install gems
{% if config.developmentMode %}
RUN bundle install
{% else %}
RUN bundle install --without development test --deployment
{% endif %}

# Copy application code
COPY . .

# Create non-root user
RUN addgroup -g 1001 -S ruby && \
    adduser -S ruby -u 1001 && \
    chown -R ruby:ruby /app

USER ruby

# Expose port
EXPOSE {{ config.port or '3000' }}

{% if config.developmentMode %}
# Development mode
ENV RAILS_ENV=development

CMD ["bundle", "exec", "rails", "server", "-b", "0.0.0.0", "-p", "{{ config.port or '3000' }}"]
{% else %}
# Production mode
ENV RAILS_ENV=production
ENV RACK_ENV=production

# Precompile assets for Rails
{% if config.framework == 'rails' %}
RUN bundle exec rake assets:precompile
{% endif %}

# Start application with Puma (production-grade server)
CMD ["bundle", "exec", "puma", "-b", "tcp://0.0.0.0:{{ config.port or '3000' }}"]
{% endif %}