Mar 20 · 12 min read · When Layered Architecture Stops Scaling Layered architecture usually looks fine in the first month. The trouble starts when the service stops being a CRUD API and begins coordinating external provider
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Mar 9 · 13 min read · TLDR TLDR: The Dependency Inversion Principle (DIP) states that high-level business logic should depend on abstractions (interfaces), not on concrete implementations (MySQL, SendGrid, etc.). This lets you swap a database or email provider without to...
Join discussionMar 9 · 16 min read · TLDR TLDR: KISS (Keep It Simple), YAGNI (You Aren't Gonna Need It), and DRY (Don't Repeat Yourself) are the three most universally applicable software engineering mantras. They share a common enemy: unnecessary complexity. 📖 The Complexity Tax Ev...
Join discussionMar 9 · 12 min read · TLDR TLDR: The Single Responsibility Principle says a class should have only one reason to change. If a change in DB schema AND a change in email format both require you to edit the same class, that class has two responsibilities — and needs to be s...
Join discussionMar 9 · 13 min read · TLDR TLDR: The Open/Closed Principle (OCP) states software entities should be open for extension (add new behavior) but closed for modification (don't touch existing, tested code). This prevents new features from introducing bugs in old features. ...
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