Layer Brett Fundamentals: Core Concepts and Practical Patterns

Understand the layered contracts, separation of concerns, and adapter boundaries that make Layer Brett a dependable foundation for modern systems.

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Glossary

Layer boundary: A strict interface separating responsibilities.
Brett contract: A stable API that enables independent deployment.
Anti-corruption layer: An adapter that shields your domain from external inconsistencies.
Trace: A record of a request path across services and layers.
Service SLO: A reliability target that layers are designed to meet.