The discourse forum has built-in tools to allow you to move system backups to S3 automatically for off-site storage. If you don’t want to use S3 you have to do this manually.

Following is a script that you can run via cron to upload the most recent backup from discourse to google cloud storage and remove the one before that (if that’s what you want to do). You’ll have to update for your own environment, although the backups should be in the same place on all(?) installations of discourse.

Our Script

# This script will copy the latest discourse backup to google cloud
# Then it will remove the previous backup from google cloud

LATESTBACKUP=`ls /var/discourse/shared/standalone/backups/default/*.gz -t1 | head -n1`
PREVBACKUPWDIR=`ls /var/discourse/shared/standalone/backups/default/*.gz -1tr | head -1`
PREVBACKUP=`find $PREVBACKUPWDIR -exec basename {} \;`

/home/user/gsutil/gsutil cp $LATESTBACKUP gs://your-backup-bucket
/home/user/gsutil/gsutil rm gs://your-backup-bucket/$PREVBACKUP

The gsutil utility can be installed with these instructions from google.