docker deps update

.docker/files/deps/Dockerfile

@@ -3,7 +3,7 @@ FROM debian:stretch-slim
 #
 # install neko dependencies
 RUN set -eux; apt-get update; \
-    apt-get install -y --no-install-recommends pulseaudio openbox dbus-x11 xserver-xorg-video-dummy supervisor; \
+    apt-get install -y --no-install-recommends pulseaudio dbus-x11 xserver-xorg-video-dummy; \
     apt-get install -y --no-install-recommends libcairo2 libxcb1 libxrandr2 libxv1 libopus0 libvpx4; \
     #
     # clean up
@@ -19,3 +19,5 @@ ENV PKG_CONFIG_PATH=/gst/local/lib/pkgconfig:$PKG_CONFIG_PATH
 #
 # copy gst
 COPY .build/gst/local /gst/local/
+COPY .docker/files/deps/dbus /usr/bin/dbus
+COPY .docker/files/deps/default.pa /etc/pulse/default.pa

.docker/files/deps/dbus

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+if [ ! -d /var/run/dbus ]; then
+  mkdir -p /var/run/dbus
+fi
+
+if [ -f /var/run/dbus/pid ]; then
+  rm -f /var/run/dbus/pid
+fi
+
+/usr/bin/dbus-daemon --nofork --print-pid --config-file=/usr/share/dbus-1/system.conf

.docker/files/deps/default.pa

@@ -0,0 +1,7 @@
+#!/usr/bin/pulseaudio -nF
+
+# Allow pulse audio to be accessed via TCP (from localhost only), to allow other users to access the virtual devices
+load-module module-native-protocol-unix socket=/tmp/pulseaudio.socket auth-anonymous=1
+
+### Make sure we always have a sink around, even if it is a null sink.
+load-module module-always-sink