diff --git a/Dockerfile b/Dockerfile
index a826ee3..23e2daf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,47 @@
+# 构建阶段：安装依赖和编译
+FROM python:3.9-slim AS builder
+
+# 设置工作目录
+WORKDIR /build
+
+# 设置环境变量
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PYTHONIOENCODING=utf-8 \
+    TZ=Asia/Shanghai
+
+# 设置时区
+RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
+    echo "Asia/Shanghai" > /etc/timezone
+
+# 使用阿里云镜像源
+RUN echo "deb https://mirrors.aliyun.com/debian/ bullseye main non-free contrib" > /etc/apt/sources.list && \
+    echo "deb https://mirrors.aliyun.com/debian-security/ bullseye-security main" >> /etc/apt/sources.list && \
+    echo "deb https://mirrors.aliyun.com/debian/ bullseye-updates main non-free contrib" >> /etc/apt/sources.list && \
+    echo "deb https://mirrors.aliyun.com/debian/ bullseye-backports main non-free contrib" >> /etc/apt/sources.list
+
+# 安装构建依赖
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    libssl-dev \
+    libffi-dev \
+    default-libmysqlclient-dev \
+    pkg-config \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# 设置pip镜像源
+RUN pip config set global.index-url https://mirrors.aliyun.com/pypi/simple/ \
+    && pip config set install.trusted-host mirrors.aliyun.com \
+    && pip install --no-cache-dir --upgrade pip setuptools wheel
+
+# 复制requirements.txt
+COPY requirements.txt .
+
+# 安装Python依赖
+RUN pip install --no-cache-dir -r requirements.txt
+
+# 最终阶段：创建运行镜像
 FROM python:3.9-slim
 
 # 设置工作目录
@@ -13,31 +57,26 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
 RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
     echo "Asia/Shanghai" > /etc/timezone
 
-# 替换为国内apt源
-RUN sed -i 's/deb.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list && \
-    sed -i 's/security.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list
+# 使用阿里云镜像源
+RUN echo "deb https://mirrors.aliyun.com/debian/ bullseye main non-free contrib" > /etc/apt/sources.list && \
+    echo "deb https://mirrors.aliyun.com/debian-security/ bullseye-security main" >> /etc/apt/sources.list && \
+    echo "deb https://mirrors.aliyun.com/debian/ bullseye-updates main non-free contrib" >> /etc/apt/sources.list && \
+    echo "deb https://mirrors.aliyun.com/debian/ bullseye-backports main non-free contrib" >> /etc/apt/sources.list
 
-# 安装系统依赖
+# 安装运行时依赖
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    build-essential \
-    libssl-dev \
-    libffi-dev \
     default-libmysqlclient-dev \
-    pkg-config \
+    curl \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
-# 设置pip镜像源
-RUN pip config set global.index-url https://mirrors.aliyun.com/pypi/simple/ \
-    && pip config set install.trusted-host mirrors.aliyun.com \
-    && pip install --no-cache-dir --upgrade pip setuptools wheel
+# 从构建阶段复制Python包
+COPY --from=builder /usr/local/lib/python3.9/site-packages /usr/local/lib/python3.9/site-packages
+COPY --from=builder /usr/local/bin /usr/local/bin
 
-# 复制项目文件
+# 复制应用代码
 COPY . /app/
 
-# 安装Python依赖
-RUN pip install --no-cache-dir -r requirements.txt
-
 # 创建非root用户运行应用
 RUN adduser --disabled-password --gecos '' appuser
 RUN chown -R appuser:appuser /app
diff --git a/app/main.py b/app/main.py
index 4014b2e..1f1a78b 100644
--- a/app/main.py
+++ b/app/main.py
@@ -43,10 +43,15 @@ app.include_router(dress_router.router, prefix="/api/dresses", tags=["服装"])
 app.include_router(tryon_router.router, prefix="/api/tryons", tags=["试穿"])
 
 @app.get("/", tags=["健康检查"])
-async def health_check():
-    """API 健康检查端点"""
+async def root():
+    """API 根端点"""
     return {"status": "正常", "message": "服务运行中"}
 
+@app.get("/health", tags=["健康检查"])
+async def health_check():
+    """健康检查端点，用于Docker容器健康监控"""
+    return {"status": "healthy", "message": "服务运行正常"}
+
 @app.get("/info", tags=["服务信息"])
 async def get_info():
     """获取服务基本信息"""