# 빌드 단계
FROM node:20-alpine AS build
WORKDIR /app
COPY package.json ./
RUN npm install --no-audit --no-fund
COPY . ./
RUN npm run build

# 서빙 단계: vite preview 로 dist/ 정적 서빙
FROM node:20-alpine
WORKDIR /app
COPY --from=build /app/package.json ./
COPY --from=build /app/node_modules ./node_modules
COPY --from=build /app/dist ./dist
COPY --from=build /app/vite.config.js ./
EXPOSE 3000
CMD ["npx", "vite", "preview", "--host", "0.0.0.0", "--port", "3000"]