Securely integrate Heroku Postgres with Google Cloud SQL for PostgreSQL
About Heroku Postgres
Heroku Postgres is a reliable and powerful database-as-a-service based on PostgreSQL that supports Ruby, Node.js, Python, and Java.
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.