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Giving developers access to a private Cloud SQL instance without static IP allowlists or shared passwords. Covers the Cloud SQL Auth Proxy TLS 1.3 tunnel, IAM Database Authentication with Google Workspace identities, engine-specific database flags, and Terraform for the instance, users, and project-level bindings.

Using az monitor to measure CPU, memory, and IO utilization on an Azure Database for PostgreSQL Flexible Server, then deciding whether to downscale a Standard_D2s_v3 SKU based on the observed headroom.