What is the dependency rule in Go architecture ?

It's the check: domain packages import zero infrastructure (no database/sql, net/http). Adapters import domain.

How do I detect dependency violations in Go?

Build domain alone (go build ./internal/domain/...). Or grep imports for infra pkgs.

Does hexagonal architecture require this rule in Go?

Absolutely — it's the enforcement. Folders alone

The One Import That Betrays Your Go Domain's Hidden Dependencies

Peek at your domain package's imports. Spot database/sql? Your hexagonal dreams just shattered. This simple rule separates pro Go code from tangled messes.

theAIcatchup Apr 10, 2026 3 min read

Go code snippet showing forbidden database/sql import in domain package

⚡ Key Takeaways

Scan domain imports: stdlib only, or architecture's broken. 𝕏
Adapters import domain, never reverse — testability soars. 𝕏
Automate checks in CI; Go's explicitness is your linter. 𝕏

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#Go architecture #clean architecture Go #clean code Go #dependency rule #hexagonal architecture

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Originally reported by Dev.to

⚡ Key Takeaways

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