Data
Databases, scheduled backups and the volumes that keep an app's writes across a redeploy.
Anything on a disk: a managed database, a scheduled backup of one, and the persistent storage an app mounts to keep its own writes across a redeploy.
How it works
A database is provisioned like an app and joins the same deplo network, so it is reachable by name and its connection string never changes. A volume is Deplo-managed disk space an app or database keeps across every redeploy; a bind mount reaches an existing server folder instead. A backup is a scheduled, encrypted copy of a database or an app, sent to a destination you control, on S3 or on another server's disk.
An app's backup schedule does not cover its database
Databases and apps are backed up separately, on separate schedules. It is the single most common surprise across the three pages here.
See also
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