# Frontend Dockerfile (nginx + 静态产物)
# 多阶段构建

FROM node:20-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci || npm install
COPY . .
RUN npm run build

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
HEALTHCHECK --interval=30s --timeout=3s CMD wget -q -O- http://localhost/ || exit 1
CMD ["nginx", "-g", "daemon off;"]