Dockerfile.rocky-xfce-vnc

# This Dockerfile is used to build an headles vnc image based on Rocky linux

FROM rockylinux:9

LABEL maintainer="Sven Nierlein sven@consol.de"
ENV REFRESHED_AT=2024-08-28

LABEL io.k8s.description="Headless VNC Container with Xfce window manager, firefox and chromium" \
      io.k8s.display-name="Headless VNC Container based on Rocky linux" \
      io.openshift.expose-services="6901:http,5901:xvnc" \
      io.openshift.tags="vnc, rocky, xfce" \
      io.openshift.non-scalable=true

## Connection ports for controlling the UI:
# VNC port:5901
# noVNC webport, connect via http://IP:6901/?password=vncpassword
ENV DISPLAY=:1 \
    VNC_PORT=5901 \
    NO_VNC_PORT=6901
EXPOSE $VNC_PORT $NO_VNC_PORT

### Envrionment config
ENV HOME=/headless \
    TERM=xterm \
    STARTUPDIR=/dockerstartup \
    INST_SCRIPTS=/headless/install \
    NO_VNC_HOME=/headless/noVNC \
    VNC_COL_DEPTH=24 \
    VNC_RESOLUTION=1280x1024 \
    VNC_PW=vncpassword \
    VNC_VIEW_ONLY=false
WORKDIR $HOME

### Add all install scripts for further steps
ADD ./src/common/install/ $INST_SCRIPTS/
ADD ./src/rocky/install/ $INST_SCRIPTS/

### Install some common tools
RUN $INST_SCRIPTS/tools.sh
ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'

### Install xvnc-server & noVNC - HTML5 based VNC viewer
RUN $INST_SCRIPTS/tigervnc.sh
RUN $INST_SCRIPTS/no_vnc.sh

### Install firefox and chrome browser
RUN $INST_SCRIPTS/firefox.sh
RUN $INST_SCRIPTS/chrome.sh

### Install xfce UI
RUN $INST_SCRIPTS/xfce_ui.sh
ADD ./src/common/xfce/ $HOME/

### configure startup
RUN $INST_SCRIPTS/libnss_wrapper.sh
ADD ./src/common/scripts $STARTUPDIR
RUN $INST_SCRIPTS/set_user_permission.sh $STARTUPDIR $HOME
RUN $INST_SCRIPTS/rocky.sh

USER 1000

ENTRYPOINT ["/dockerstartup/vnc_startup.sh"]
CMD ["--wait"]