Docker Sync Folder

Simple Rsync based container to keep two directories in sync.

Use Case

This container is intended to be used to keep 2 docker volumes (local path, named, cifs etc) in sync.
The rsync job can be customized using env variable, refer below.

Docker Image

Multi Arch Docker Image can be found on https://hub.docker.com/r/sudipthegreat/docker-sync-folders

Quick Start:

version: '3.3'
services:
    docker-sync-folders:
        image: 'sudipthegreat/docker-sync-folders:latest'
        restart: always
        environment:
            - 'RSYNC_OPTIONS:-rvWPh --size-only'
            - 'SYNC_FREQUENCY:300'
        volumes:
            - 'my-named-vol:/source'
            - '/path/to/dest/on/host:/destination'
        

Volumes

Name	Description
/source	Source Directory in the container. Override with your source directory from host
/destination	Target Directory in the container. Override with your target directory from host

Environment Variables

Env Variable	Description
RSYNC_OPTIONS	Rsync Options to customize sync behavior. Full list can be found here
SYNC_FREQUENCY	The interval in seconds post which the rsync job will be run again