# Build stage
FROM node:20-alpine AS builder

WORKDIR /app
COPY package*.json ./
RUN npm install
COPY . .
RUN npm run build

# Production stage
FROM node:20-alpine

WORKDIR /app
COPY package*.json ./
RUN npm install --omit=dev && npm cache clean --force
COPY --from=builder /app/dist ./dist

# HF Spaces yêu cầu port 7860
ENV PORT=7860
EXPOSE 7860

HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
  CMD node -e "require('http').get('http://localhost:7860/api/health', (r) => r.statusCode === 200 ? process.exit(0) : process.exit(1))"

CMD ["node", "dist/main"]