Support blue/green deployment

As a Customer, I would like to have a blue/green deployment mechanism so that I can confidently implement substantial changes, encompassing both code and content updates, in production.

Description

I am planning to deploy a new feature to my app that requires changes to both the code and the content. I need to use a blue/green deployment mechanism to ensure that the deployment does not disrupt the existing experience for my customers.

Acceptance Criteria

1. A staging environment must be established, mirroring the production environment.

2. A blue-green deployment strategy must be implemented, allowing the switch between the current production (blue) and the new deployment (green) with minimal downtime.

3. A comprehensive testing suite must be established to verify that the green environment is fully functional and compatible with the native app.

4. A rollback strategy must be defined and documented to revert to the blue environment in case of unexpected issues during the green deployment.