Dockerfile.production

# syntax=docker/dockerfile:1
FROM ruby:4.0.1-slim AS base

# Install runtime dependencies
RUN apt-get update -qq && \
    apt-get install -y --no-install-recommends \
    libpq-dev \
    postgresql-client \
    curl \
    gnupg \
    ca-certificates \
    libvips \
    imagemagick \
    && rm -rf /var/lib/apt/lists/*

# Install Node.js
RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
    apt-get install -y --no-install-recommends nodejs && \
    npm install -g pnpm@9.15.5 && \
    rm -rf /var/lib/apt/lists/*

# Build stage
FROM base AS builder

# Install build dependencies
RUN apt-get update -qq && \
    apt-get install -y --no-install-recommends \
    build-essential \
    pkg-config \
    git \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy Gemfile and install gems
COPY Gemfile Gemfile.lock ./
RUN bundle config set --local deployment 'true' && \
    bundle config set --local without 'development test' && \
    bundle install --jobs 4 --retry 3

# Copy package files and install node modules
COPY package.json pnpm-lock.yaml ./
RUN NODE_ENV=production pnpm install --frozen-lockfile --ignore-scripts

# Copy application code
COPY . .

# Precompile assets
RUN SECRET_KEY_BASE=dummy RAILS_ENV=production bundle exec rails assets:precompile

# Clean up unnecessary files
RUN rm -rf node_modules tmp/cache vendor/bundle/ruby/*/cache/*.gem && \
    find vendor/bundle/ruby/*/gems/ -name "*.c" -delete 2>/dev/null || true && \
    find vendor/bundle/ruby/*/gems/ -name "*.o" -delete 2>/dev/null || true

# Production stage
FROM base AS production

# Create rails user
RUN useradd -m -s /bin/bash rails && \
    mkdir -p /app && \
    chown -R rails:rails /app

WORKDIR /app

# Copy application with precompiled assets (includes vendor/bundle)
COPY --from=builder --chown=rails:rails /app /app

# Set environment
ARG RUBY_ABI_VERSION=4.0.0
ENV RAILS_ENV=production \
    NODE_ENV=production \
    RAILS_SERVE_STATIC_FILES=true \
    RAILS_LOG_TO_STDOUT=true \
    BUNDLE_GEMFILE=/app/Gemfile \
    BUNDLE_PATH=/app/vendor/bundle \
    BUNDLE_BIN=/app/vendor/bundle/ruby/${RUBY_ABI_VERSION}/bin \
    BUNDLE_APP_CONFIG=/app/.bundle \
    GEM_HOME=/app/vendor/bundle \
    PATH="/app/vendor/bundle/ruby/${RUBY_ABI_VERSION}/bin:${PATH}" \
    BUNDLE_WITHOUT="development:test" \
    BUNDLE_DEPLOYMENT=true

# Switch to rails user
USER rails

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD curl -f http://localhost:3000/health || exit 1

# Start server
CMD ["bundle", "exec", "falcon", "host"]