docker vnc

https://github.com/DrSnowbird/intellij-vnc-docker?tab=readme-ov-file
https://github.com/ConSol/docker-headless-vnc-container/

## Custom Dockerfile
FROM consol/rocky-xfce-vnc
ENV REFRESHED_AT 2022-10-12

# Switch to root user to install additional software
USER 0

## Install a gedit
RUN yum install -y gedit \
    && yum clean all

## switch back to default user
USER 1000