Amazon S3
Xplenty
Google Cloud SQL for PostgreSQL

Amazon S3 and Google Cloud SQL for PostgreSQL Integration

About Amazon S3

Amazon Simple Storage Service (Amazon S3), provides developers and IT teams with secure, durable, highly-scalable object storage. Amazon S3 is easy to use, with a simple web services interface to store and retrieve any amount of data from anywhere on the web. With Amazon S3, you pay only for the storage you actually use. There is no minimum fee and no setup cost.

About Google Cloud SQL for PostgreSQL

Google Cloud SQL for PostgreSQL is a fully-managed database service that makes it easy to set up, maintain, manage, and administer your relational PostgreSQL databases in the cloud.