# Multi-stage build
FROM node:20-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build

FROM node:20-alpine
WORKDIR /app
ENV NODE_ENV=production
COPY package*.json ./
RUN npm ci --omit=dev && npm cache clean --force
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/client/dist ./client/dist 2>/dev/null || true
EXPOSE 5000
CMD ["npm", "run", "start"]