gerulrich/ledfx repository overview

docker run --name ledfx \
  --userns keep-id --group-add keep-groups \
  -v /path/to/config/ledfx:/config \
  -p 8888:8888 -p 4713:4713 \
  gerulrich/ledfx:latest

mpd (linux music player daemon) 
   |--> pulse output --> ledfx
   |--> alsa device (hdmi1) --> Denon Receiver

# alsa output (HDMI to Denon AV Reciever)
audio_output {
	type		"alsa"
	name		"ALSA Denon AVC-S660H"
	device		"hw:0,0"
	mixer_type      "hardware"
}

# output to Ledfx pulse
audio_output {
	type		"pulse"
	name		"LedFx pulse"
	server		"localhost"
}

[Unit]
Description=ledfx in a container
Documentation=man:podman-generate-systemd(1)
Wants=network-online.target
After=network-online.target
RequiresMountsFor=%t/containers

[Service]
Environment=PODMAN_SYSTEMD_UNIT=%n TZ=America/Argentina/Buenos_Aires
Restart=on-failure
TimeoutStopSec=30
ExecStart=/usr/local/bin/podman run --name ledfx \
  --cidfile=%t/%n.ctr-id \
  --cgroups=no-conmon \
  --sdnotify=conmon \
  --replace --detach --rm \
  --network slirp4netns \
  -v /home/german/hassio/ledfx:/config \
  -p 8888:8888 -p 4713:4713 \
  docker.io/gerulrich/ledfx:latest
ExecStop=/usr/local/bin/podman stop --ignore -t 10 --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/local/bin/podman rm -f --ignore -t 10 --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all

[Install]
WantedBy=default.target