Heroku’s maintenance mode feature serves a static page to all visitors, allowing developers to perform maintenance tasks that require the absence of incoming traffic.| devcenter.heroku.com
PostgreSQL’s logical decoding feature was introduced in version 9.4. It is a mechanism that allows the extraction of the changes that were committed to the transaction log and the processing of these changes in a user-friendly manner with the help of an output plug-in. The output plug-in enables clients to consume the changes.| debezium.io
How to upgrade the PostgreSQL version of a Heroku Postgres database.| devcenter.heroku.com
Apache Kafka on Heroku is a fully managed and integrated Kafka offering on the Heroku platform.| devcenter.heroku.com
The Heroku Postgres add-on is a production database service, offering PostgreSQL, read-only follower databases, snapshots for forks, and local client access.| devcenter.heroku.com