FROM node:18-alpine

WORKDIR /app

RUN npm config set registry https://registry.npmmirror.com

COPY package*.json ./
RUN npm ci

COPY . .
RUN npm run build

# Use a simple Node static server instead of nginx
RUN npm install -g serve

EXPOSE 80

# Serve the built SPA on port 80, with history fallback so /admin 等前端路由都可直接访问
CMD ["serve", "-s", "dist", "-l", "80"]