Update Dockerfile

Dockerfile

@@ -1,13 +1,17 @@
-FROM debian:sid
-RUN apt update
-RUN useradd -m -u 1000 user
-RUN apt install xfce4-terminal lxde aqemu sudo curl wget aria2 qemu-system-x86 htop chromium screen tigervnc-standalone-server python3-pip python3-websockify python3 git -y
-RUN git clone https://github.com/novnc/noVNC.git noVNC
-RUN mkdir -p /home/user/.vnc
-ARG VNC_PWD
-ARG VNC_RESOLUTION
-RUN echo $VNC_PWD | vncpasswd -f > /home/user/.vnc/passwd
-RUN chmod -R 777 /home/user/.vnc /tmp
-ENV HOME=/home/user \
-    PATH=/home/user/.local/bin:$PATH
-CMD vncserver -SecurityTypes VncAuth -rfbauth /home/user/.vnc/passwd -geometry $VNC_RESOLUTION && ./noVNC/utils/novnc_proxy --vnc localhost:5901 --listen 0.0.0.0:7860
+# 使用 Ubuntu 22.04 作为基础镜像
+FROM ubuntu:22.04
+
+# 安装 Shellinabox
+RUN apt-get update && \
+    apt-get install -y shellinabox && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+# 设置 root 用户的密码为 'root'
+RUN echo 'root:123456' | chpasswd
+
+# 暴露 22 端口
+EXPOSE 22
+
+# 启动 Shellinabox
+CMD ["/usr/bin/shellinaboxd", "-t", "-s", "/:LOGIN"]