feat: reduce image size

Dockerfile

@@ -1,46 +1,32 @@
-# 构建阶段 - 使用完整镜像编译依赖
+# 构建阶段
 FROM python:3.11-slim AS builder
 
 WORKDIR /build
 
-# 安装编译工具
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-    gcc \
-    g++ \
-    libffi-dev \
-    && rm -rf /var/lib/apt/lists/*
-
 # 安装依赖到独立目录
 COPY requirements.txt .
-RUN pip install --no-cache-dir --prefix=/install --compile -r requirements.txt
-
-# 清理 Python 包中的冗余文件
-RUN find /install -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true && \
+RUN pip install --no-cache-dir --only-binary=:all: --prefix=/install -r requirements.txt && \
+    find /install -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true && \
     find /install -type d -name "tests" -exec rm -rf {} + 2>/dev/null || true && \
     find /install -type d -name "test" -exec rm -rf {} + 2>/dev/null || true && \
     find /install -type d -name "*.dist-info" -exec sh -c 'rm -f "$1"/RECORD "$1"/INSTALLER' _ {} \; && \
     find /install -type f -name "*.pyc" -delete && \
     find /install -type f -name "*.pyo" -delete && \
-    find /install -type f -name "*.c" -delete && \
-    find /install -type f -name "*.h" -delete && \
-    find /install -type f -name "*.txt" -path "*/pip/*" -delete 2>/dev/null || true
+    find /install -name "*.so" -exec strip --strip-unneeded {} \; 2>/dev/null || true
 
 # 运行阶段 - 使用最小镜像
 FROM python:3.11-slim
 
 WORKDIR /app
 
-# 只安装必要的运行时库
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-    libffi8 \
-    ca-certificates \
-    && rm -rf /var/lib/apt/lists/* \
-    && rm -rf /tmp/* /var/tmp/* \
-    && rm -rf /usr/share/doc/* \
-    && rm -rf /usr/share/man/* \
-    && rm -rf /var/cache/apt/*
+# 清理基础镜像中的冗余文件
+RUN rm -rf /usr/share/doc/* \
+    /usr/share/man/* \
+    /usr/share/locale/* \
+    /var/cache/apt/* \
+    /var/lib/apt/lists/* \
+    /tmp/* \
+    /var/tmp/*
 
 # 从构建阶段复制已安装的包
 COPY --from=builder /install /usr/local