Fix sound to host via PulseAudio

Author: bandi13

Dockerfile

@@ -11,7 +11,7 @@ ENV VNC_PASSWD=123456
 ENV APT_INSTALL_PRE="apt -o Acquire::ForceIPv4=true update && DEBIAN_FRONTEND=noninteractive apt -o Acquire::ForceIPv4=true install -y --no-install-recommends"
 ENV APT_INSTALL_POST="&& apt clean -y && rm -rf /var/lib/apt/lists/*"
 # Make sure the dependencies are met
-RUN eval ${APT_INSTALL_PRE} tigervnc-standalone-server tigervnc-common tigervnc-tools fluxbox eterm xterm git net-tools python3 python3-numpy ca-certificates scrot ${APT_INSTALL_POST}
+RUN eval ${APT_INSTALL_PRE} tigervnc-standalone-server tigervnc-common tigervnc-tools fluxbox eterm xterm git net-tools python3 python3-numpy ca-certificates scrot pulseaudio-utils ${APT_INSTALL_POST}
 
 # Install VNC. Requires net-tools, python and python-numpy
 RUN git clone --branch v1.4.0 --single-branch https://github.com/novnc/noVNC.git /opt/noVNC

README.md

@@ -28,6 +28,9 @@ To use your own VNC client, you just need:
 
 Where port 5900 is exposing the VNC Server port.
 
+## Sound
+To enable sound, you'll need to add `-v /run/user/$UID/pulse/native:/run/user/$UID/pulse/native --env PULSE_SERVER=unix:/run/user/$UID/pulse/native --user $(id -u)` to your argument list. This will expose the Pulse Audio server from your host to the container.
+
 # Customization
 Containers that build on this will be able to have scripts run inside the Fluxbox window manager. Any custom scripts can be placed in /opt/startup_scripts.