Clean Architecture in Practice: Swapping Database Clients and Adding GraphQL in Kotlin

📰 Dev.to · Tetsuya Wakita

Learn how to apply Clean Architecture in Kotlin to swap database clients and add GraphQL, making your infrastructure and presentation layers interchangeable

intermediate Published 21 Feb 2026
Action Steps
  1. Apply the Clean Architecture pattern to your Kotlin project to separate domains, infrastructure, and presentation layers
  2. Swap database clients by changing the infrastructure layer without affecting the domain or presentation layers
  3. Add GraphQL to your project by modifying the presentation layer without impacting the domain or infrastructure layers
  4. Use dependency injection to manage dependencies between layers
  5. Test your application to ensure the changes have not affected its functionality
Who Needs to Know This

Backend developers and software engineers can benefit from this approach to make their code more modular and maintainable, allowing for easier changes to infrastructure and presentation layers

Key Insight

💡 Clean Architecture allows for the separation of concerns, making it easier to change or replace infrastructure and presentation layers without affecting the domain logic

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🚀 Make your code more modular with Clean Architecture in Kotlin! Swap DB clients & add GraphQL without affecting your app's functionality 🚀

Key Takeaways

Learn how to apply Clean Architecture in Kotlin to swap database clients and add GraphQL, making your infrastructure and presentation layers interchangeable

Full Article

How Clean Architecture delivered on its promise — infrastructure and presentation changed completely,...
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