# ========================================
# Admin Frontend Dockerfile
# ========================================
FROM node:20-alpine AS builder

WORKDIR /app

# 复制package文件
COPY package*.json ./

# 安装依赖
RUN npm ci && npm cache clean --force

# 复制源码
COPY . .

# 构建应用
RUN npm run build

# ========================================
# Production Stage (Nginx)
# ========================================
FROM nginx:alpine

# 复制构建产物
COPY --from=builder /app/dist /usr/share/nginx/html

# 复制Nginx配置
COPY nginx.conf /etc/nginx/conf.d/default.conf

# 暴露端口
EXPOSE 80

# 健康检查
HEALTHCHECK --interval=30s --timeout=3s \
  CMD wget --quiet --tries=1 --spider http://localhost/ || exit 1

# 启动Nginx
CMD ["nginx", "-g", "daemon off;"]