Erik de Wildt's Hass.io Addons repository
Adding this add-ons repository to your Hass.io Home Assistant instance is pretty easy. Follow the official instructions on the website of Home Assistant, and use the following URL:
https://github.com/erikdewildt/hassio-addonsSync your Hassio snapshots to Dropbox. Options to set how many snapshots should be kept locally as well as remote.