Read Replica
Currently, only MySQL DB instance supports Read Replica.
To create a Read Replica:
- open the running app
- click
Edit App - click the bottom of the DB instance and drag-n-drop to create
- click
Applyto apply the changes

To promote a Read Replica to DB instance:
- open the running app
- click
Edit App - select the Read Replica and click
Promote Read Replica, and thenConfirm - click
Applyto apply the changes
