Where do you put the configuration?

You are setting up a third-party integration only for the Production environment, which connects to an external RabbitMQ server.

Where do you put the configuration?
A . In the app/etc/env.php file
B . In the QUEUE_CONFIGURATION variable added in the Project Web UI or magento-cloud CLI
C . In the env:QUEUE_CONFIGURATION variable added in the Project Web UI or magento-cloud CLI
D . In the QUEUE_CONFIGURATION variable in the .magento.env.yaml file

Answer: B

Explanation:

Reference: https://devdocs.magento.com/cloud/project/project-conf-files_services-rabbit.html