Backups you can restore
Bring back an environment's definitions and its data.
Ship changes without breaking what's live.
Each environment keeps its own data and its own keys.
See every change first.
Move changes forward with a clear list of what will happen. Ones that would break live data are refused.
The next API, beside the current one.
Same tables. Keep older apps working while the API moves on.
Previews
Short-lived environments for trying one change.