I’ve built a native Synology DSM package for running hass.io. It is using Docker so that package needs to be installed and running first. It’s been tested on various x64 based versions running DSM 6.1 or more.
Everything is quite straightforward but make sure to create a Shared Folder to use for data storage and select that in the first dialog.
Installation is made trough Synology’s Package Center through SynoCommunity, make sure that Beta is enabled in Settings. Just make sure to install the Docker package first.
If you have issues please read post #2 first.