Simplifying Application Architecture with Modular Design and MIM

📰 Hacker News · codingfox

Learn to simplify application architecture using modular design and MIM pattern

intermediate Published 3 Mar 2026
Action Steps
  1. Refactor a legacy monolithic architecture into modular design using a step-by-step approach
  2. Apply the MIM pattern to challenge and improve Clean/Hexagonal Architectures
  3. Implement self-contained modules to simplify application architecture
  4. Use modular design fundamentals to improve system maintainability and scalability
  5. Evaluate the effectiveness of MIM pattern in simplifying application architecture
Who Needs to Know This

Software engineers and architects can benefit from this tutorial to improve their system design skills and refactor legacy code into self-contained modules

Key Insight

💡 Modular design and MIM pattern can help simplify application architecture and improve system maintainability

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Simplify app architecture with modular design & MIM pattern

Key Takeaways

Learn to simplify application architecture using modular design and MIM pattern

Full Article

I’ve written a deep dive into Software Design focusing on the "gray area" between High-Level Design (system architecture) and Low-Level Design (classes/functions). What's inside: * A step-by-step tutorial refactoring a legacy big-ball-of-mud into self-contained modules. * A bit of a challenge to Clean/Hexagonal Architectures with a pattern I've seen in the wild (which I named MIM in the text). * A solid appendix on the fundamentals of Modular Design. (Warning: It’s a long read. I’ve seen shorter ebooks on Leanpub).
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