Looking at the architecture required by a project in isolation can be misleading and hides the need for a longer term product-level architecture, which is more strategic in nature than the project-level architecture.

It seems that perfection would be attained not when there is no longer anything to add, but when there is no longer anything to take away. —Antoine de St. Exupery, Terre des Hommes, 1939

Ultimately DevOps is an organizational transformation.