build(docker): 更新Docker构建环境配置

- 使用node:lts-alpine替换node:latest基础镜像
- 添加git安装和npm镜像源配置
- 修改apk软件源为中科大镜像站
- 更新构建命令为pnpm run build格式
- 优化构建阶段依赖安装逻辑

Dockerfile

@@ -1,15 +1,16 @@
-FROM node:latest AS builder
+FROM node:lts-alpine AS builder
 
 RUN mkdir -p /workspace
 WORKDIR /workspace
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories
+RUN apk update && apk add git
 RUN npm config set registry https://registry.npmmirror.com
 RUN git clone https://github.com/setube/ogame-vue-ts.git
 RUN mv ./ogame-vue-ts/* . ; rm -rf ./ogame-vue-ts/
 
 RUN npm install -g pnpm ; pnpm install;
-RUN pnpm build
+RUN pnpm run build
 
-# --- 第二阶段：Nginx ---
 FROM nginx:alpine
 
 COPY nginx.conf /etc/nginx/conf.d/default.conf