Update Dockerfile

Dockerfile

@@ -1,18 +1,4 @@
-FROM ubuntu:latest
-
-# 避免交互式提示
-ENV DEBIAN_FRONTEND=noninteractive
-
-# 安装 Python 和其他必要的系统依赖
-RUN apt-get update && apt-get install -y \
-    python3 \
-    python3-pip \
-    wget \
-    gnupg \
-    curl \
-    build-essential \
-    python3-dev \
-    && rm -rf /var/lib/apt/lists/*
+FROM python:3.9
 
 # 安装 Chrome
 RUN wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | apt-key add - \
@@ -29,15 +15,14 @@ COPY requirements.txt .
 COPY app.py .
 COPY nb4x.py .
 
-# 升级 pip 并安装依赖
-RUN python3 -m pip install --upgrade pip && \
-    python3 -m pip install -r requirements.txt
+# 安装依赖
+RUN pip install -r requirements.txt
 
 # 暴露端口
 EXPOSE 7860
 
 # 创建启动脚本
-RUN echo '#!/bin/bash\npython3 app.py & python3 nb4x.py' > start.sh && \
+RUN echo '#!/bin/bash\npython app.py & python nb4x.py' > start.sh && \
     chmod +x start.sh
 
 # 启动命令