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Cloud SQL Proxy is a secure connectivity utility that enables applications to connect to Google Cloud SQL instances without requiring manual configuration of SSL certificates or network access rules. It works by establishing an encrypted connection between the client and the Cloud SQL instance using TLS and authenticating requests through Google Cloud IAM, ensuring that only authorized users or services can access the database. The proxy runs locally or alongside applications, exposing a local TCP port or Unix socket that applications can use as if they were connecting to a standard database. This abstraction simplifies development and deployment by allowing developers to use familiar database clients while the proxy handles authentication and encryption behind the scenes. It supports both public and private IP connections and can be deployed in environments such as local machines, virtual machines, Kubernetes clusters, or as a sidecar container.
Features
- Secure IAM-based authentication for database connections
- Automatic TLS encryption without manual certificate management
- Local TCP or Unix socket connection interface
- Support for public and private IP connectivity
- Metrics integration with monitoring and tracing systems
- Deployment flexibility including local, VM, and Kubernetes environments
Project Samples
