FROM node:22-bookworm-slim

WORKDIR /app

COPY package.json package-lock.json* ./
RUN npm ci --only=production

COPY . .

EXPOSE 3000

HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
  CMD node -e "require('http').get('http://localhost:3000/health', r => {process.exit(r.statusCode === 200 ? 0 : 1)})"

CMD ["node", "index.js"]