RPi-Syncthing

This is a Docker image targetting Raspberry Pi hosts containing Syncthing which describes itself:

Syncthing replaces proprietary sync and cloud services with something open, trustworthy and decentralized. Your data is your data alone and you deserve to choose where it is stored, if it is shared with some third party and how it's transmitted over the Internet.

It is supposed supposed to use the host's network stack, which is a potential security risk.

For a suitable host system check out Hypriot OS!

Contributions are welcome.

Pull

docker pull funkyfuture/rpi-syncthing

Build

git clone https://github.com/funkyfuture/docker-rpi-syncthing
docker build -t funkyfuture/rpi-syncthing docker-rpi-syncthing

Run

Here's an example configuration that is suited to manage an instance with docker-compose:

version: '2'

services:
  client:
    image: funkyfuture/rpi-syncthing
    restart: always
    network_mode: host
    volumes:
      - ./config:/syncthing/config
      - ./data:/syncthing/data
    environment:
      - GUI_USERNAME=ziggy
      - GUI_PASSWORD_PLAIN=stardust

For those eager to quickly test this image:

docker run --rm --network=host funkyfuture/rpi-syncthing

Configuration

You can pass these environment variables to configure the client:

• CONFIG_DIR (default: /syncthing/config)
• GUI_ADDRESS (default: [::]:8384)
• GUI_ENABLED (default: true)
• GUI_TLS (default: false)
• GUI_USERNAME
• GUI_PASSWORD_PLAIN
• GUI_PASSWORD_BCRYPT (takes precedence over ..._PLAIN)
• GUI_APIKEY

Further customization

To further customize the configuration you can provide your own $CONFIG_DIR/config.xml to the container. Note that the configuration values resp. their defaults above will be applied on it (but this is going to be more sensible at some point).

You may also add a /pre-launch.sh that will be run after the configuration values have been applied. For convenient xml-manipulation you can use xmlstarlet, see start.sh for examples and a wrapper function.

Resources

Docker Hub repository

https://registry.hub.docker.com/u/funkyfuture/rpi-syncthing/

Source repository

https://github.com/funkyfuture/docker-rpi-syncthing

Syncthing configuration docs

https://docs.syncthing.net/users/config.html

xmlstarlet documentation

http://xmlstar.sourceforge.net/doc/UG/