Mostly using the application-specific backup tool (pgdump, mongodump, etc) to S3. For system configuration it's all in Chef, so I backup chef. For a few flat f

Mostly using the application-specific backup tool (pgdump, mongodump, etc) to S3. For system configuration it's all in Chef, so I backup chef. For a few flat file tools I just tar up the directory and upload that. Sometimes, I just take AWS volume snapshots. That'll get the whole data or / partition, which also lets me instant restore the machine, or attach the data partition to a newly built machine.