Create Dockerfile

Dockerfile

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+FROM alpine:edge
+
+# 1. Install desktop, VNC, and utilities
+RUN apk update && apk add --no-cache \
+    bash \
+    xfce4 \
+    xfce4-terminal \
+    x11vnc \
+    xvfb \
+    novnc \
+    websockify \
+    wget \
+    curl \
+    git \
+    dbus-x11 \
+    adwaita-icon-theme \
+    ttf-dejavu \
+    xrdb
+
+# 2. Fix permissions for X11/ICE sockets
+RUN mkdir -p /tmp/.X11-unix /tmp/.ICE-unix && \
+    chmod 1777 /tmp/.X11-unix /tmp/.ICE-unix
+
+# 3. Delete the XFCE power manager autostart
+RUN rm -f /etc/xdg/autostart/xfce4-power-manager.desktop
+
+# 4. Create a non-root user
+RUN adduser -D -u 1000 user
+ENV HOME=/home/user
+ENV PATH=/home/user/.local/bin:$PATH
+
+# 5. Bulletproof Health Check & Heartbeat Fix
+# Create the index.html redirect for HF health checks
+RUN echo '<meta http-equiv="refresh" content="0; url=vnc.html">' > /usr/share/novnc/index.html
+
+# Inject the JavaScript heartbeat into the VNC page so HF doesn't pause while in use
+RUN sed -i '/<\/head>/i \    <script>\n        setInterval(function() {\n            fetch("/");\n        }, 60000);\n    </script>' /usr/share/novnc/vnc.html
+
+WORKDIR $HOME
+
+# 6. Set VNC password and fix permissions
+RUN mkdir -p $HOME/.vnc && \
+    x11vnc -storepasswd 1234 $HOME/.vnc/passwd && \
+    chown -R user:user $HOME
+
+# 7. Switch to the Hugging Face required user
+USER user
+
+# 8. Expose web port
+EXPOSE 7860
+
+# 9. Start everything
+CMD bash -c "\
+    Xvfb :0 -screen 0 1024x768x24 & \
+    sleep 2 ; \
+    export DISPLAY=:0 ; \
+    dbus-launch startxfce4 & \
+    x11vnc -display :0 -rfbauth $HOME/.vnc/passwd -forever -rfbport 5900 & \
+    websockify --web=/usr/share/novnc/ 7860 127.0.0.1:5900 \
+"