# Classroom v2 test lab: a full Debian 13 Plasma 6 desktop, running under
# systemd, inside a container. It exists because the development host is
# itself a VM with no /dev/kvm, so a real virtual machine cannot be created
# here. See docs/classroom-v2-experiment.md.
#
#   docker build -f tools/lab/Dockerfile.plasma -t classroom-v2-lab:plasma .
#   tools/lab/lab up
#
FROM debian:trixie

ENV DEBIAN_FRONTEND=noninteractive
ENV container=docker

# systemd, so the session is supervised the way it would be on a real machine
RUN apt-get update && apt-get install -y systemd systemd-sysv dbus dbus-user-session \
 && rm -rf /var/lib/apt/lists/*

# The desktop under test.
RUN apt-get update && apt-get install -y \
      plasma-desktop plasma-workspace kwin-wayland \
      plasma-nm plasma-pa \
 && rm -rf /var/lib/apt/lists/*

# Software rendering, X11 apps, fonts, and the tools the lab drives it with.
RUN apt-get update && apt-get install -y --no-install-recommends \
      libgl1-mesa-dri libglx-mesa0 mesa-utils-bin libegl-mesa0 \
      xwayland \
      fonts-noto-core fonts-dejavu-core fonts-liberation \
      kde-cli-tools qdbus-qt6 \
      sway swaybg grim wtype foot \
      python3 python3-gi gir1.2-gtk-3.0 \
      curl ca-certificates gnupg procps psmisc less vim-tiny socat jq \
 && rm -rf /var/lib/apt/lists/*

RUN useradd -m -u 1000 -s /bin/bash classroom \
 && usermod -aG video,render,audio classroom \
 && passwd -d classroom \
 && mkdir -p /run/user/1000 && chown classroom:classroom /run/user/1000 \
 && systemctl enable systemd-logind

# Linger so the classroom user's systemd instance starts with the container,
# which is exactly how the appliance would run.
RUN mkdir -p /var/lib/systemd/linger && touch /var/lib/systemd/linger/classroom

STOPSIGNAL SIGRTMIN+3
CMD ["/sbin/init"]

# Screenshots. KWin's org.kde.KWin.ScreenShot2 only answers callers it
# recognises by path, and Spectacle is one of them, so this is the
# sanctioned way to capture a KWin session that has no outer compositor.
RUN apt-get update && apt-get install -y --no-install-recommends kde-spectacle \
 && rm -rf /var/lib/apt/lists/*