DockerfileWithVNCServer

# https://raw.githubusercontent.com/ConSol/docker-headless-vnc-container/master/Dockerfile.ubuntu.xfce.vnc

#Dockerfile

FROM centos:8
MAINTAINER RDPanek "rdpanek@gmail.com"

LABEL io.k8s.description="VNC Container based on Centos" \
    io.k8s.display-name="VNC Container based on Centos" \
    io.openshift.expose-services="5901:xvnc" \
    io.openshift.tags="vnc, centos, xfce" \
    io.openshift.non-scalable=true

ENV DISPLAY=:1 \
    VNC_PORT=5901 

EXPOSE $VNC_PORT

### Envrionment config
ENV USER=root \
    VNC_COL_DEPTH=24 \
    VNC_RESOLUTION=1280x1024 \
    VNC_PW=secret

### Install dependencies
RUN yum -y install epel-release && \
    yum groupinstall "Xfce" -y && \
    yum -y install tigervnc-server tigervnc-server-minimal && \
    yum clean all

### Setup VNC
ADD ./scripts/xstartup /opt
RUN mkdir ~/.vnc && \
    PASSWD_PATH=~/.vnc/passwd && \
    echo $VNC_PW | vncpasswd -f >> $PASSWD_PATH && \
    chmod 600 $PASSWD_PATH && \
    mv /opt/xstartup ~/.vnc/xstartup && \
    chmod +x ~/.vnc/xstartup
    
# entrypoint
#!/bin/bash

echo "ᐰ"
vncserver -geometry $VNC_RESOLUTION -depth $VNC_COL_DEPTH :1
tail -f /root/.vnc/*.log

# scripts/xstartup
#!/bin/bash
 xrdb $HOME/.Xresources
 startxfce4 &