# 多阶段构建
FROM node:18-alpine AS base

# 安装依赖阶段
FROM base AS deps
WORKDIR /app
COPY package*.json ./
RUN npm ci --only=production

# 构建阶段
FROM base AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build:static

# 生产阶段 - 静态文件服务
FROM nginx:alpine AS runner
WORKDIR /usr/share/nginx/html

# 复制静态文件
COPY --from=builder /app/out .

# 复制 nginx 配置
COPY nginx.conf /etc/nginx/nginx.conf

# 暴露端口
EXPOSE 80

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