Design Patterns

• August 3, 2025

  go

  Gateway pattern for external service calls

  Separate business logic from external service calls using the Gateway pattern. Apply dependency inversion and interface segregation in Go.

• October 6, 2024

  go

  Writing a circuit breaker in Go

  Build a production-ready circuit breaker in Go from scratch with closed, open, and half-open states to prevent cascading failures.

• September 5, 2023

  go

  Configuring options in Go

  Compare three Go option patterns: exposed structs, option constructors, and functional options. Learn when to use each for clean APIs.