Part of a client’s design is the ability to easily share between two applications running on Heroku.

What should an Architect recommend?

A. Attach a single storage add-on, such as Heroku Postgres, to both applications.

B. Create Foreign Data Wrappers to expose the tables from one database to another.
C. Provision Heroku Connect to sync the data into a custom object in Salesforce.
D. Provision Apache Kafka on Heroku to easily stream the data between the two apps.