# 构建阶段
FROM 192.168.195.25:19900/library/node:20-alpine AS build

WORKDIR /app

# 先复制依赖文件，利用 Docker 层缓存
COPY package.json package-lock.json ./

# 设置淘宝镜像源加速下载，使用 npm ci 严格按 lock 文件安装
RUN npm config set registry https://registry.npmmirror.com && npm ci

# 再复制源代码（依赖没变时上面的层会命中缓存）
COPY . .

# 构建应用
RUN npm run build

# 生产阶段
FROM 192.168.195.25:19900/library/nginx:alpine

# 复制构建产物到 nginx
COPY --from=build /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

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