This is a Dockerfile to run syncthing on a an arm based server. This has been tested on https://www.scaleway.com .
docker run -d \
--name syncthing \
--restart always \
-p 8384:8384 -p 22000:22000 -p 21025:21025/udp \
-v <your_syncthing_config_location>:/home/syncthing/.config/syncthing \
-v <your_data_location>:/home/syncthing/Sync \
adrienbrault/armhf-syncthing