FROM ubuntu:22.04

# System tools, Desktop environment, VNC aur noVNC install karna
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update && apt-get install -y --no-install-recommends \
    bash \
    curl \
    git \
    net-tools \
    novnc \
    socat \
    x11vnc \
    xfce4 \
    xfce4-terminal \
    xvfb \
    dbus-x11 \
    websockify \
    && rm -rf /var/lib/apt/lists/*

# Hugging Face default user configuration
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    DISPLAY=:1

WORKDIR $HOME/app

# index.html link setup taaki 503 error na aaye
RUN ln -s /usr/share/novnc/vnc.html /usr/share/novnc/index.html

EXPOSE 7860

# BINA KISI START.SH FILE KE DIRECT COMMAND EXECUTION
CMD Xvfb :1 -screen 0 1024x768x16 & \
    sleep 2 && \
    dbus-launch --exit-with-session xfce4-session & \
    sleep 2 && \
    x11vnc -display :1 -nopw -forever -shared -bg -rfbport 5900 & \
    sleep 2 && \
    websockify --web=/usr/share/novnc 7860 localhost:5900