Architecture Styles
Microservices Architecture: Promises & Pitfalls
Independent deployability and polyglot freedom come with distributed systems complexity — here is what to expect.
Microservices decompose an application into small, independently deployable services aligned to business capabilities. Each service owns its data store, can be deployed on its own release cadence, and can be scaled individually. The promises are real: teams move faster and blast radius is smaller. The pitfalls are equally real: network calls replace in-process calls, distributed tracing becomes essential, and data consistency requires choreography or sagas.
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Dependency Injection and IoC Containers
Invert control of dependency creation to keep classes decoupled from their collaborators and trivially testable.
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The Observer Pattern and Event-Driven Design
Decouple publishers from subscribers by letting objects register interest in events without the producer knowing who is listening.
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The Strategy Pattern: Encapsulating Algorithms
Define a family of algorithms, encapsulate each one, and make them interchangeable — open for extension, closed for modification.