docker-compose.yaml

version: "3.6"
volumes:
  snapserver-settings:
  snapserver-fifo:
services:
  snapclient:
    image: mgoltzsche/snapcast/snapclient:dev
    environment:
      SNAPCLIENT_HOST: 127.0.0.1
      #SNAPCLIENT_PLAYER: pulse:server=tcp:127.0.0.1:4713
    network_mode: host
    restart: unless-stopped
    # Might be required on a raspberrypi when using alsa directly
    #privileged: true
    devices:
    - "/dev/snd:/dev/snd"
    volumes:
    #- type: bind
    #  source: /etc/asound.conf
    #  target: /etc/asound.conf
    - type: bind
      source: /run # allow the container to detect whether the pulseaudio unix socket should be used
      target: /host/run
    - type: bind
      source: /etc # allow the container to use host's /etc/asound.conf if present
      target: /host/etc
      read_only: true
    user: ${UID:-1000}:${UID:-1000}
    #profiles:
    #- audio-sink
  snapserver:
    image: mgoltzsche/snapcast/snapserver:dev
    environment:
      SNAPSERVER_SOURCE: pipe:///snapserver/snapfifo?name=default&mode=read
      #SNAPSERVER_BUFFER_MS: 20
      # Advertize avahi service
      DBUS_SYSTEM_BUS_ADDRESS: unix:path=/host/run/dbus/system_bus_socket
    volumes:
    - snapserver-fifo:/snapserver
    - snapserver-settings:/data
    - type: bind
      # allow the container to dynamically select the pulseaudio and dbus unix socket, if supported by the host
      source: /run
      target: /host/run
    network_mode: host
    #ports:
    #- "1780:1780"
    #- "1704:1704"
    #- "1705:1705"
    #user: ${UID:-1000}:${UID:-1000} # unprivileged user cannot advertize avahi service
    user: root:root
    privileged: true
    group_add:
    - 4242
    - 86
    restart: unless-stopped
    labels:
    - podpourpi.avahi.advertize=true # TODO: feasibility check? -> not worth it
    depends_on:
    - mopidy
    #profiles:
    #- audio-source
  mopidy:
    image: mgoltzsche/mopidy:dev
    environment:
      MOPIDY_AUDIO_OUTPUT_PIPE: /snapserver/snapfifo
    volumes:
    - snapserver-fifo:/snapserver
    ports:
    - "6680:6680"
    labels:
    - traefik.enable=true
    - traefik.http.routers.myapp.rule=PathPrefix("/iris")
    - traefik.http.routers.myapp.entrypoints=web
    restart: unless-stopped
    #profiles:
    #- audio-source