Dockerfile

# Base image
FROM ubuntu:20.04

# Environment settings
ENV DEBIAN_FRONTEND=noninteractive
ENV USER root

# Install required packages
RUN apt-get update && \
    apt-get upgrade -y && \
    apt-get install -y \
    apt-utils && \
    apt-get install -f && \
    dpkg --configure -a && \
    apt-get install -y \
    supervisor \
    xfce4 \
    xfce4-terminal \
    novnc \
    net-tools \
    tigervnc-standalone-server \
    wget \
    xterm && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

# Install noVNC
RUN wget https://github.com/novnc/noVNC/archive/refs/tags/v1.2.0.tar.gz \
    && tar -xvzf v1.2.0.tar.gz \
    && mv noVNC-1.2.0 /usr/share/novnc \
    && rm v1.2.0.tar.gz

# Set up noVNC
RUN ln -s /usr/share/novnc/vnc.html /usr/share/novnc/index.html

# Create a startup script for supervisord
RUN mkdir -p /var/log/supervisor
COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf

# Expose ports
EXPOSE 7860
EXPOSE 5901

# CMD
CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/supervisord.conf"]