chore(docker): 配置 yarn/npm 镜像与安装超时参数

在 deps 阶段安装依赖前统一设置 registry.npmmirror.com 与较长网络超时，降低构建环境网络抖动导致的 yarn install 失败概率。

Made-with: Cursor

deploy/docker/Dockerfile

@@ -7,6 +7,9 @@ FROM base AS deps
 COPY package.json yarn.lock ./
 COPY prisma ./prisma
 ENV DATABASE_URL="postgresql://postgres:postgres@127.0.0.1:5432/postgres?schema=public"
+RUN yarn config set registry https://registry.npmmirror.com \
+ && npm config set registry https://registry.npmmirror.com \
+ && yarn config set network-timeout 600000 -g
 RUN yarn install --frozen-lockfile
 
 FROM deps AS build