The Book of DevOps Patterns is a long serie of patterns used by DevOps. Each story is introduced in a synthetic way by going to the essential. The Strangler application model, introduced by Martin Fowler in 2004, involves moving services based on no more supported architectures behind an API and then prohibiting any changes to that code. The new features are then implemented in a new service based on the new architecture but making calls to this API.

In a system that is too compact, any change in the code at the local level introduces a risk of failure at the global level.

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