Ports and Adapters

Gang of Four Patterns for Modern Developers

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TL;DR / Key Takeaways Introduction Design patterns are like seasoned colleagues: helpful when invited to the right meetings, distracting when they show up everywhere. The Gang of Four (GoF) patterns still add real value—especially in cloud‑native systems—when you pick them intentionally. This guide translates core GoF patterns into modern use, shows when not to reach […]

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Separation of Concerns: From Theory to Implementation

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TL;DR / Key Takeaways Introduction Every time a simple change forces you to wade through unrelated code, you’re paying a tax for poor separation of concerns (SoC). As systems scale—teams, features, deployments—this tax compounds. Good separation reduces cognitive load, accelerates delivery, and makes reliability practices (testing, observability, security) practical. This post turns SoC from a

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