Wrapper to run desktop app of Docker container

docker_app.sh

#!/bin/bash

[ ${DEBUG:-0} -eq 1 ] && set -x

XDG_RUNTIME_DIR=${XDG_RUNTIME_DIR:-/run/user/${UID}}
XDG_DOWNLOAD_DIR=$(xdg-user-dir DOWNLOAD)

IMAGE=${IMAGE:-"apps/$1"}
EXTRA_OPTS=${OPTS:-""}
DOCKER_OPTS_COMMON=(
    "-it"
    "--rm=true"
    "--name=$1"
)
DOCKER_OPTS=(
    "-e DISPLAY=unix$DISPLAY"
    "-e XDG_RUNTIME_DIR=$XDG_RUNTIME_DIR"
    "-e LC_ALL=$LC_ALL"
    # X11
    "-v /tmp/.X11-unix:/tmp/.X11-unix"
    # pulseaudio
    #"-v /dev/shm:/dev/shm"
    "-v ${HOME}/.pulse:${HOME}/.pulse"
    "-v ${XDG_RUNTIME_DIR}:${XDG_RUNTIME_DIR}"
    # dbus
    "-v /etc/machine-id:/etc/machine-id"
)

case $1 in
    firefox)
        [ ! -d ${HOME}/.docker/apps/$1 ] && mkdir -p ${HOME}/.docker/apps/$1
        DOCKER_OPTS+=(
            "-v ${XDG_DOWNLOAD_DIR}:${XDG_DOWNLOAD_DIR}"
            "-v ${HOME}/.docker/apps/firefox:${HOME}/.mozilla/firefox"
            "-v ${HOME}/.vimperatorrc:${HOME}/.vimperatorrc"
            "--device=/dev/dri/card0:/dev/dri/card0"
            "--device=/dev/video0:/dev/video0"
        )
        ;;
    webex)
        [ ! -d ${HOME}/.docker/apps/$1 ] && mkdir -p ${HOME}/.docker/apps/$1
        DOCKER_OPTS+=(
            "-v ${XDG_DOWNLOAD_DIR}:${XDG_DOWNLOAD_DIR}"
            "-v ${HOME}/.docker/apps/webex:${HOME}/.mozilla/firefox"
            "-v ${HOME}/.vimperatorrc:${HOME}/.vimperatorrc"
            "--device=/dev/dri/card0:/dev/dri/card0"
            "--device=/dev/video0:/dev/video0"
        )
        ;;
    torbrowser)
        [ ! -d ${HOME}/.docker/apps/$1 ] && mkdir -p ${HOME}/.docker/apps/$1
        DOCKER_OPTS+=(
            "-v ${HOME}/.docker/apps/torbrowser/Downloads:${HOME}/Downloads"
            "--device=/dev/dri/card0:/dev/dri/card0"
        )
    ;;
esac

xhost +local:`docker inspect --format='{{ .Config.Hostname }}' $IMAGE`
docker run ${DOCKER_OPTS_COMMON[@]} ${DOCKER_OPTS[@]} $EXTRA_OPTS $IMAGE
xhost -local:`docker inspect --format='{{ .Config.Hostname }}' $IMAGE`