update:优化docker编译

Dockerfile

@@ -1,18 +1,44 @@
+# 第一阶段：构建依赖
+FROM python:3.10-slim as builder
+
+WORKDIR /app
+
+COPY requirements.txt .
+
+# 安装构建依赖
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    gcc \
+    libopus-dev \
+    ffmpeg && \
+    rm -rf /var/lib/apt/lists/*
+
+# 安装Python依赖到虚拟环境
+RUN python -m venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
+RUN pip install --no-cache-dir -r requirements.txt -i https://mirrors.aliyun.com/pypi/simple/
+
+# 第二阶段：生产镜像
 FROM python:3.10-slim
 
-RUN apt-get update \
-    && apt-get upgrade -y \
-    && apt-get install -y libopus-dev ffmpeg \
-    && apt-get clean \
-    && apt-get autoremove -y
-
-# Set working directory
 WORKDIR /opt/xiaozhi-es32-server
 
-COPY . /opt/xiaozhi-es32-server
+# 从构建阶段复制虚拟环境
+COPY --from=builder /opt/venv /opt/venv
 
-# Clean unnecessary files to reduce image size
-RUN pip install -r requirements.txt -i https://mirrors.aliyun.com/pypi/simple/
+# 安装运行时依赖
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    libopus0 \
+    ffmpeg && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
 
-## Start the application
+# 设置虚拟环境路径
+ENV PATH="/opt/venv/bin:$PATH"
+
+# 复制应用代码
+COPY . .
+
+# 启动应用
 CMD ["python", "app.py"]