# 프로덕션: SSG 빌드(ssr:false, prerender) → 정적 산출물(build/client)을 nginx 로 서빙.
FROM node:22-slim AS build
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm install
COPY . .
RUN npm run build

FROM nginx:alpine
COPY --from=build /app/build/client /usr/share/nginx/html
# 프리렌더 안 된 경로도 index.html 로 폴백(SPA).
RUN printf 'server {\n  listen 80;\n  root /usr/share/nginx/html;\n  location / { try_files $uri $uri/ /index.html; }\n}\n' > /etc/nginx/conf.d/default.conf
EXPOSE 80