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Why Design Patterns Still Matter in Modern Software Development

Marko M.3 min readNov 5, 2025Technology

Marko M.3 min read

Contents:

Why are design patterns still relevant in modern software development

1. Factory Method pattern

Ruby on Rails example

2. Strategy pattern

Ruby on Rails example

3. Builder pattern

Ruby on Rails example

4. Decorator pattern

Ruby on Rails example

5. Adapter pattern

Ruby on Rails example

Conclusion and looking ahead

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