How do I connect my WordPress site with the database I have created in the cluster?
The way Managed Databases work won't allow you to take an existing database and make it a Managed Database. Instead, you would need to create a new Managed Database and import data from the previous database into it. We have a guide that walks you through this process to get started with Managed Databases:
One caveat to consider right now - Managed Databases is currently in beta. Because of this, you might experience performance that does not align with our standard SLA.