---
title: "Discussion on \"How I Enforced Hexagonal Boundaries Across 92 Commits in One Week\" | Hashnode"
description: "Discussion on \"How I Enforced Hexagonal Boundaries Across 92 Commits in One Week\". When I ran IntelliJ's Dependency Structure Matrix on Bibby — my personal library management system built with Spring Boot and DDD — the result was ugly. My BookController was reaching directly into Sh"
url: "https://hashnode.com/posts/how-i-enforced-hexagonal-boundaries-across-92-commits-in-one-week/69a5f4dfe8e1f9df72e50dc7"
---

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# [How I Enforced Hexagonal Boundaries Across 92 Commits in One Week](https://buildingbibby.hashnode.dev/how-i-enforced-hexagonal-boundaries-across-92-commits-in-one-week?utm_source=hashnode&utm_medium=feed)

When I ran IntelliJ's Dependency Structure Matrix on Bibby — my personal library management system built with Spring Boot and DDD — the result was ugly. My BookController was reaching directly into Sh

Mar 2 · 7 min read · buildingbibby.hashnode.dev  
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## Written by

[Leo D. Penrose](https://hashnode.com/@ldpenrose)

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