Blue/Geen Deployments

• Strategy to deploy a new version of an application.

• They work by starting an entirely new instance of the application and then routing traffic over to it

• After testing and making sure that everything runs fine, we redirect the users to the new version (Green) and shutdown the old (Blue)

Benefits:

• Easy to understand

• Powerful

• Extendable to workflows

Cons:

• Difficutl to make hotfixes

• Resource allocation is not convenient

• Clusters can affect each other