# 前端构建阶段
FROM node:18-alpine as builder

WORKDIR /app

# 复制 package 文件
COPY package*.json ./

# 安装依赖
RUN npm install

# 复制源代码
COPY . .

# 构建前端
RUN npm run build

# Nginx 运行阶段
FROM nginx:alpine

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

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

EXPOSE 80

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