FROM node:20-bookworm-slim

WORKDIR /app

ENV NODE_ENV=production
ENV TZ=Asia/Ho_Chi_Minh
ENV APP_TIME_ZONE=Asia/Ho_Chi_Minh

COPY package*.json ./
RUN npm ci --omit=dev && npm cache clean --force

COPY backend ./backend
COPY public ./public

EXPOSE 3000

CMD ["node", "backend/server.js"]