# ── Stage 1 : build ────────────────────────────────────────────────────────── FROM node:20-alpine AS builder WORKDIR /app COPY package.json package-lock.json* ./ RUN npm install COPY . . RUN npm run build # ── Stage 2 : serve with nginx ──────────────────────────────────────────────── FROM nginx:1.27-alpine COPY --from=builder /app/dist /usr/share/nginx/html COPY nginx.conf /etc/nginx/conf.d/default.conf EXPOSE 80 CMD ["nginx", "-g", "daemon off;"]