feat: 优化依赖包加速

Dockerfile

@@ -4,8 +4,9 @@ FROM python:3.10 as builder
 WORKDIR /build
 
 # 安装系统依赖（某些Python包需要编译）
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    gcc \
+RUN sed -i 's@deb.debian.org@mirrors.tuna.tsinghua.edu.cn@g; s@security.debian.org@mirrors.tuna.tsinghua.edu.cn@g' /etc/apt/sources.list.d/debian.sources 2>/dev/null; \
+    sed -i 's@deb.debian.org@mirrors.tuna.tsinghua.edu.cn@g' /etc/apt/sources.list 2>/dev/null; \
+    apt-get update && apt-get install -y --no-install-recommends gcc \
     && rm -rf /var/lib/apt/lists/*
 
 # 复制requirements并安装Python依赖
@@ -18,8 +19,9 @@ FROM python:3.10
 WORKDIR /app
 
 # 安装运行时系统依赖（ffmpeg 用于音频转码）
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    ffmpeg \
+RUN sed -i 's@deb.debian.org@mirrors.tuna.tsinghua.edu.cn@g; s@security.debian.org@mirrors.tuna.tsinghua.edu.cn@g' /etc/apt/sources.list.d/debian.sources 2>/dev/null; \
+    sed -i 's@deb.debian.org@mirrors.tuna.tsinghua.edu.cn@g' /etc/apt/sources.list 2>/dev/null; \
+    apt-get update && apt-get install -y --no-install-recommends ffmpeg \
     && rm -rf /var/lib/apt/lists/*
 
 # 创建非root用户（安全最佳实践）