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Multi-Stage Build

Bangun di satu stage, jalankan di stage ringan — hasil image jauh lebih kecil.

  FROM node:20-alpine AS build
  WORKDIR /app
  COPY . .
  RUN npm ci && npm run build

  FROM nginx:alpine
  COPY --from=build /app/dist /usr/share/nginx/html

Image akhir tak membawa toolchain build, memperkecil ukuran dan permukaan serangan.