πŸ” Syncthing Relay to help Syncthing clients relay data when they can't communicate directly due to things like NAT routers
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kylemanna dockerfile: Bump version to v1.0.0
* First stable release.
Latest commit db1a2fb Jan 5, 2019

README.md

Syncthing Relay Docker Image

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Overview

Syncthing Relay to help Syncthing clients relay data when they can't communicate directly due to things like NAT routers and firewalls blocking inbound TCP connections.

More detailed description on my blog.

Extensively tested on Digital Ocean $5/mo node

Upstream Links

Quick Start

Just run:

docker run --rm -p 22067:22067 -p 22070:22070 kylemanna/syncthing-relay

Verify your server shows up at http://relays.syncthing.net/

Or private relay:

docker run --rm -p 22067:22067 -p 22070:22070 kylemanna/syncthing-relay -pools=""

Using Systemd to Auto Start the Docker Container

Here's the quick start guide for setting up a systemd service that will listen on the defualt ports and start at boot time. It will also attempt to pull down image updates each time the service starts and automatically restart after 10 seconds if the process exits. This Docker container preserves no state across starts.

cd /etc/systemd/system
sudo curl -O https://raw.githubusercontent.com/kylemanna/docker-syncthing-relay/master/init/docker-syncthing-relay.service
sudo systemctl daemon-reload
sudo systemctl enable --now docker-syncthing-relay.service
sudo systemctl status docker-syncthing-relay.service