# 1단계: Node.js 환경에서 빌드
FROM node:lts-alpine as build
WORKDIR /app
COPY package.json .
RUN npm install
COPY . .
RUN npm run build

# 2단계: 결과물만 Nginx(Alpine)로 서빙
FROM nginx:alpine
COPY --from=build /app/dist /usr/share/nginx/html
EXPOSE 80
CMD ["nginx", "-g", "daemon off;"]