install docker on your system (i dont cover this here)

make data-structure

mkdir -p ~/docker/syncthing/config ~/docker/syncthing/data

run the docker command

docker run -d --name syncthing --restart unless-stopped -p 8384:8384 -p 22000:22000 -v ~/docker/syncthing/config:/var/syncthing/config -v ~/docker/syncthing/data:/var/syncthing/data syncthing/syncthing:latest

syncthing-GUI is accessable at http://ipaddress:8384

additional Info about to mount Datadevice, add and customize following to above command

--mount type=bind,source=/media/1TerraHDD/matrix/media_store,target=/data/media_store

zbsp:

docker run -d --name syncthing --restart unless-stopped -p 8384:8384  -p 22000:22000 -v ~/docker/syncthing/config:/var/syncthing/config --mount type=bind,source=/media/1TerraHDD/docker.vault,target=/data/media_store syncthing/syncthing:latest