FROM mcr.microsoft.com/playwright/node:20-noble

WORKDIR /app

# Install dependencies first (layer cache)
COPY package*.json ./
RUN npm ci --omit=dev

# Copy source
COPY src/ ./src/

# Create default output dir (overridden by volume mount at runtime)
RUN mkdir -p /output

ENV OUTPUT_DIR=/output
ENV NODE_ENV=production

ENTRYPOINT ["node", "src/index.js"]