Update Dockerfile

Dockerfile

@@ -6,7 +6,13 @@ RUN apt-get update && apt-get install -y \
     gnupg \
     unzip \
     chromium \
-    chromium-driver
+    chromium-driver \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# 创建非root用户
+RUN useradd -m -u 1000 chrome \
+    && chown -R chrome:chrome /home/chrome
 
 # 设置工作目录
 WORKDIR /app
@@ -19,6 +25,13 @@ COPY nb4x.py .
 # 安装Python依赖
 RUN pip install -r requirements.txt
 
+# 设置环境变量
+ENV CHROME_BIN=/usr/bin/chromium
+ENV CHROMEDRIVER_PATH=/usr/bin/chromedriver
+
+# 切换到非root用户
+USER chrome
+
 # 暴露端口
 EXPOSE 7860