These popular patterns—Hexagonal, Clean & Onion—aren’t about fancy layer diagrams; they’re all about managing coupling and keeping your core logic stable when the outside world changes. By isolating your business logic, you shrink the blast radius of any external change and boost the longevity of your code base.
In the video, Dan deconstructs this core principle, walks you through a real-world example, dives into cohesion, and wraps up with community Q&A. Along the way, you’ll find links to Kurrent (formerly EventStoreDB), his blog, Discord server, Patreon, and handy time stamps so you can jump right to the good bits.
Watch on YouTube
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