# ── Build stage ────────────────────────────────────────────────────────────── FROM node:20-slim AS builder RUN apt-get update && apt-get install -y \ python3 make g++ \ --no-install-recommends \ && rm -rf /var/lib/apt/lists/* WORKDIR /app COPY package*.json tsconfig.json ./ RUN npm ci COPY src ./src RUN npm run build && npm prune --production # ── Runtime stage ───────────────────────────────────────────────────────────── FROM node:20-slim # Install Chromium and runtime dependencies RUN apt-get update && apt-get install -y \ chromium \ fonts-freefont-ttf \ --no-install-recommends \ && rm -rf /var/lib/apt/lists/* ENV PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium ENV NODE_ENV=production WORKDIR /app COPY --from=builder /app/dist ./dist COPY --from=builder /app/node_modules ./node_modules COPY package.json ./ EXPOSE 3001 CMD ["node", "dist/index.js"]