FROM node:22-slim
WORKDIR /app
COPY package*.json ./
RUN npm ci --omit=dev 2>/dev/null || npm install
COPY . .
RUN npm run build 2>/dev/null || true
EXPOSE 7860
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
  CMD curl -f http://localhost:7860/health || exit 1
CMD ["node", "server.js"]