---
title: "Comment by Lavadera Ruttinger on \"Step-by-Step Approach to Use Onion Architecture in .NET\" | Hashnode"
description: "I recently refactored a service using this layered approach, and the clear separation made unit testing the core business logic so much simpler. Your step-by-st"
url: "https://hashnode.com/posts/step-by-step-approach-to-use-onion-architecture-in-net/67e98fe33beb1a0497ba6e38/comment/69e08d86a0261dc645b4af28"
---

[Discussion](https://hashnode.com/posts/step-by-step-approach-to-use-onion-architecture-in-net/67e98fe33beb1a0497ba6e38)

Comment [Step-by-Step Approach to Use Onion Architecture in .NET](https://hashnode.com/posts/step-by-step-approach-to-use-onion-architecture-in-net/67e98fe33beb1a0497ba6e38)

[Lavadera Ruttinger](https://hashnode.com/@ruttinger)

[Apr 16](https://hashnode.com/posts/step-by-step-approach-to-use-onion-architecture-in-net/67e98fe33beb1a0497ba6e38/comment/69e08d86a0261dc645b4af28)

I recently refactored a service using this layered approach, and the clear separation made unit testing the core business logic so much simpler. Your step-by-step breakdown would have saved me a lot of initial diagram-staring! The emphasis on dependency direction is key.