## Dockerfile
cat >Dockerfile <<- 'Dockerfile'
# syntax = docker/dockerfile:1.2
FROM myvnc/base
USER root

# X session environment variable
ENV STARTXBIN startplasma-x11

# Install packages
RUN --mount=type=cache,sharing=locked,target=/var/cache/pacman \
    pacman -Syu --ask 4 --needed \
    cuda openssh vim pacman-contrib bash-completion rsync git \
    plasma konsole kate dolphin kompare kcalc \
    jack2 ttf-dejavu \
    firefox firefox-decentraleyes firefox-ublock-origin \
    torbrowser-launcher \
    shotwell ffmpegthumbs ark okular \
    remmina libvncserver \
    && pacman -Scc --ask 4 \
    && echo 'Cmnd_Alias MISCELLANEOUS =   /usr/bin/pacman -S' >/etc/sudoers.d/01-MISCELLANEOUS

# configure nvidia container runtime
# https://github.com/NVIDIA/nvidia-container-runtime#environment-variables-oci-spec
ENV NVIDIA_VISIBLE_DEVICES all
ENV NVIDIA_DRIVER_CAPABILITIES compute,utility

# Tigervnc
COPY 20-archvnc.sh /app/init.d/20-archvnc.sh
RUN chmod +x /app/init.d/*

# Reset user home directory
USER user
WORKDIR /home/user
Dockerfile

# KDE setup
cat >20-archvnc.sh <<- 'entrypoint'
#!/usr/bin/env bash
# Disable KDE screenlock
cat >~/.config/kscreenlockerrc <<- 'kscreenlockerrc'
[Daemon]
Autolock=false
LockOnResume=false
Timeout=0
kscreenlockerrc

# VNC config
cat >~/.vnc/config <<- vncconfig
session=plasmax11
dpi=192
geometry=1920x1080
framerate=60
depth=32
${_MYVNC_VNCSHARING}
vncconfig

# SSH config
if [ -f ~/.ssh/id_ed25519 ]
then
    chmod 0600 ~/.ssh/id_ed25519
fi
entrypoint

## Docker build
DOCKER_BUILDKIT=1 docker build ./. \
    --tag myvnc/kde \
    && rm -f Dockerfile *.sh