CodeOpinion

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429 videos

CodeOpinion is by Derek Comartin, a software developer with over two decades of professional software development experience. He's written software for a var...

Latest Videos

The Just Use Postgres Trap

Testable Code Doesn't Mean Interfaces Everywhere

Why Clean Architecture is Killing Your Velocity

Stop using Event-Driven Architecture for your CRUD apps

Coding isn't the hard part...

Vertical Slice Architecture doesn't mean “Share Nothing”

Read Replicas Are NOT CQRS (Stop Confusing This)

Why External APIs Break Idempotency

Why Small Changes Turn Into Big Refactors

AI Makes Code Cheap. That’s Why Design Matters More

Why “Microservices” Debates Miss the Point

Eventual Consistency Good, Bad, and a HUGE Mistake

Hexagonal vs Clean vs Onion Architecture... It Doesn’t Matter

You Don’t Need an Interface for Everything

47 Microservices… for 2 Requests Per Second!

The Real Truth About Event-Driven Architecture

How to Avoid the Architecture Trap Options, Not Overengineering

Direction of Dependencies Dogma

Netflix Ditched Kafka for THIS in CQRS

The #1 Reason Your Software System Gets Messy

Stop Writing if (!x) — Here’s Why It’s Bad Software Design

Stop Copying the Customer Table in Every Service

Why Event-Driven Architecture Feels Broken

You don’t need an Aggregate in DDD. Model Rules, Not Relationships

Why Domain-Driven Design Feels So Complicated (And How to Fix It)

Minimal APIs, CQRS, DDD… Or Just Use Controllers

This Is Why Breaking Your API Contract Keeps Breaking Clients

The Future of AI Integration MCP with James Montemagno & Den Delimarsky

David Fowler on Design, APIs, and Avoiding Dogma

Design, Modularity, and the Future of Software — Gene Kim on Vibe Coding