Added VNC server

Dockerfile

@@ -193,4 +193,46 @@ WORKDIR /root
 RUN echo "export PATH=$PATH:/opt/riscv/bin" >> /root/.bashrc
 
 # Pass commands into container
-ENTRYPOINT ["bash", "-lc"]
+# ENTRYPOINT ["bash", "-lc"]
+
+RUN apt update -qq && apt install -y --no-install-recommends \
+    software-properties-common \
+    apt-transport-https \
+    ca-certificates \
+    lsb-release \
+    net-tools \
+    dirmngr \
+    gnupg \
+    git \
+    curl \
+    wget \
+    file \
+    unzip \
+    zip \
+    vim \
+    mc \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install X11
+RUN apt update -qq && apt install -y --no-install-recommends \
+    xvfb \
+    x11vnc \
+    at-spi2-core \
+    dbus-x11 \
+    x11-utils \
+    mwm \
+    xterm \
+    xfonts-base \
+    xfonts-75dpi \
+    xfonts-100dpi \
+    x11-xserver-utils \
+    && rm -rf /var/lib/apt/lists/*
+
+# VNC server
+RUN mkdir ~/.vnc
+RUN x11vnc -storepasswd 1234 ~/.vnc/passwd
+RUN echo "mwm &" > ~/.xinitrc
+RUN echo "xsetroot -solid grey" >> ~/.xinitrc
+RUN chmod +x ~/.xinitrc
+EXPOSE 5900
+CMD ["x11vnc", "-repeat", "-forever", "-usepw", "-create"]