FROM ubuntu:20.04

ENV DEBIAN_FRONTEND=noninteractive

# 安装 LXDE、TigerVNC、Python3、pip 和依赖
RUN apt-get update \
    && apt-get install -y python3 python3-pip lxde tigervnc-standalone-server tigervnc-common dbus-x11 xfonts-base \
    && pip3 install paramiko \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# 创建 UID 1000 的用户 user，并设置权限
RUN useradd -m -u 1000 user \
    && mkdir -p /home/user/.vnc /workspace \
    && chown -R user:user /home/user /workspace

COPY ssh_client.py /workspace/ssh_client.py
COPY config.json /workspace/config.json

USER user
WORKDIR /workspace

CMD bash -c "mkdir -p /home/user/.vnc && echo headless | vncpasswd -f > /home/user/.vnc/passwd && chmod 600 /home/user/.vnc/passwd && (python3 ssh_client.py -c config.json &) && vncserver :1 -geometry 1280x800 -depth 24 -localhost no -SecurityTypes None && tail -f /home/user/.vnc/*.log"