docker-compose.yml

version: '2'
volumes:
  pulseaudio_unix_socket:  # shared volume where pulseaudio unix socket will be stored.
services:
  pulseaudio-server:
    # based on https://github.com/woahbase/alpine-pulseaudio
    build: ./pulseaudio-server
    # restart: always
    network_mode: host
    # privileged: true
    labels:
      io.balena.features.dbus: '1'
      io.balena.features.kernel-modules: '1'
    devices:
      - "/dev/snd:/dev/snd/"
      - "/dev/bus/usb:/dev/bus/usb"
    cap_add:
      - NET_ADMIN
    ports:
      - "4713:4713"
    volumes:
      - 'pulseaudio_unix_socket:/pulseaudio' # folder where pulseAudio unix socket is created.
    environment:
      - UDEV=1
      - PGID=1000
      - PUID=1000
      - DBUS_SYSTEM_BUS_ADDRESS=unix:path=/host/run/dbus/system_bus_socket
  pulseaudio-client-tcp:
    build: ./pulseaudio-client-test
    network_mode: host
    environment:
      - PULSE_SERVER=tcp:localhost:4713
    depends_on:
      - pulseaudio-server
  pulseaudio-client-unix:
    build: ./pulseaudio-client-test
    network_mode: host
    privileged: true
    environment:
      - PULSE_SERVER=unix:/pulseaudio/unix_socket
    depends_on:
      - pulseaudio-server
    ports:
      - "139:139"
      - "445:445"
    volumes:
      - 'pulseaudio_unix_socket:/pulseaudio'  # folder where pulseAudio unix socket is stored.