Update Dockerfile

Dockerfile

@@ -3,7 +3,7 @@ RUN chown root:shadow /etc/shadow; chmod 640 /etc/shadow;
 RUN chmod 2755 /sbin/unix_chkpwd || echo "文件不存在，无视"
 RUN useradd -d /home/user -s /bin/bash -m -u 1000 user
 RUN chown user -R /home/user; echo "cd ~" > /home/user/.bashrc;
-RUN RUN --mount=type=secret,id=VNC_PASSWORD,mode=0444,required=true \
+RUN --mount=type=secret,id=VNC_PASSWORD,mode=0444,required=true \
     echo 'user:$(cat /run/secrets/VNC_PASSWORD)' | chpasswd
 RUN pwconv
 RUN apt update
@@ -14,9 +14,9 @@ RUN sed -i '/@xscreensaver -no-splash/d' /etc/xdg/lxsession/LXDE/autostart || ec
 RUN git clone https://github.com/novnc/noVNC.git noVNC
 RUN mkdir -p /home/user/.vnc
 RUN chmod -R 777 /home/user/.vnc /tmp
-RUN RUN --mount=type=secret,id=VNC_PASSWORD,mode=0444,required=true \
+RUN --mount=type=secret,id=VNC_PASSWORD,mode=0444,required=true \
     cat /run/secrets/VNC_PASSWORD | vncpasswd -f > /home/user/.vnc/passwd
 ENV HOME=/home/user \
     PATH=/home/user/.local/bin:$PATH
 ARG VNC_RESOLUTION
-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
+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