add cool-retro-term

cool-retro-term/Dockerfile

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+FROM ubuntu:xenial
+MAINTAINER Andrey Arapov <andrey.arapov@nixaid.com>
+
+# To avoid problems with Dialog and curses wizards
+ENV DEBIAN_FRONTEND noninteractive
+
+RUN apt-get update && \
+    apt-get -y --no-install-recommends install ca-certificates wget git \
+    openssh-client sudo libpulse0 \
+    build-essential qmlscene \
+    qt5-qmake qt5-default qtdeclarative5-dev qtdeclarative5-controls-plugin \
+    qtdeclarative5-qtquick2-plugin libqt5qml-graphicaleffects \
+    qtdeclarative5-dialogs-plugin qtdeclarative5-localstorage-plugin \
+    qtdeclarative5-window-plugin && \
+    rm -rf /var/lib/apt/lists/*
+
+ENV DUSER user
+ENV DGROUPS video,audio
+ENV DUID 1000
+ENV DHOME /home/$DUSER
+ENV APPDIR /opt/cool-retro-term
+
+RUN useradd -u $DUID -m -d $DHOME -s /usr/sbin/nologin -G $DGROUPS $DUSER && \
+    mkdir -p $APPDIR && \
+    chown -Rh $DUSER:$DUSER $APPDIR
+
+WORKDIR $DHOME
+USER $DUSER
+
+RUN git clone --recursive https://github.com/Swordfish90/cool-retro-term.git $APPDIR
+RUN cd $APPDIR && \
+    qmake && \
+    make -j $(nproc)
+
+
+USER root
+
+# You can install more apps you need here
+# E.g.:
+# RUN apt-get update && apt -y install pulseaudio-utils alsa-utils mplayer
+
+# Workaround: pulseaudio client library likes to remove /dev/shm/pulse-shm-*
+#             files created by the host, causing sound to stop working.
+#             To fix this, we either want to disable the shm or mount /dev/shm
+#             in read-only mode when starting the container.
+RUN echo "enable-shm = no" | sudo tee -a /etc/pulse/client.conf
+
+COPY launch /launch
+ENTRYPOINT [ "bash", "/launch" ]

cool-retro-term/docker-compose.yml

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+version: '2'
+
+services:
+  cool-retro-term:
+    image: andrey01/cool-retro-term
+    network_mode: bridge
+    devices:
+      - /dev/dri
+      # - /dev/video0
+    volumes:
+      - /tmp/.X11-unix:/tmp/.X11-unix:ro
+      - $XDG_RUNTIME_DIR/pulse:/run/user/1000/pulse:ro
+      - /etc/localtime:/etc/localtime:ro
+      - $HOME:/home/$USER
+      - /etc/machine-id:/etc/machine-id:ro
+    environment:
+      - DISPLAY=unix$DISPLAY
+      - PULSE_SERVER=unix:$XDG_RUNTIME_DIR/pulse/native
+      - REALUSER=$USER
+    shm_size: 16M
+    # For the mplayer to work, you need to share IPC between host and the container
+    # otherwise you gonna get errors like:
+    #   - X11 error: BadAccess (attempt to access private resource denied)
+    #   - X11 error: BadShmSeg (invalid shared segment parameter)
+    ipc: host

cool-retro-term/launch

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+#!/usr/bin/env bash
+
+export OLDUSER=${DUSER:-user}
+export USER=${REALUSER:?}
+
+groupmod --new-name $USER $(id -gn $OLDUSER)
+usermod --home /home/$USER $OLDUSER
+usermod --login $USER $OLDUSER
+echo "$USER ALL=(ALL) NOPASSWD:ALL" | tee /etc/sudoers.d/$USER
+
+sudo PULSE_SERVER=${PULSE_SERVER:?} su -s /bin/bash -c /opt/cool-retro-term/cool-retro-term $USER
+
+# QT_X11_NO_MITSHM - stops Qt form using the MIT-SHM X11 extension
+# sudo QT_X11_NO_MITSHM=${QT_X11_NO_MITSHM:-1} PULSE_SERVER=${PULSE_SERVER:?} su -s /bin/bash -c /opt/cool-retro-term/cool-retro-term $USER