Criteo DevXDays - How to have fewer incidents with Hexagonal Architecture

This talk was presented in our Criteo DevXDays 2023 edition.
Hexagonal Architecture is a 20-year-old pattern ideally suited for implementing and maintaining APIs. Its primary objective is to completely isolate the core business logic from external dependencies, utilizing "ports" and "adapters" as connections to the outside world.
At Criteo, several teams have adopted this architectural pattern. In this video, we will delve into the experiences of the Audience team, who manage APIs for ad targeting configurations. We will explore its usage and the associated benefits while presenting a proposed transition path from n-tier applications to hexagonal architecture.
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