Standard Search

Hoisting wire plumbing out of your Go handlers

https://rednafi.com/go/hoist-wire-plumb/ · 2 May 2026

Four of the five steps in every unary RPC handler are wire plumbing. Pin the service function signature and they fit in one generic adapter per transport.

go api design patterns

Repositories, transactions, and unit of work in Go

https://rednafi.com/go/repo-txn-uow/ · 21 Mar 2026

Decoupling business logic from storage in Go, adding transaction support without leaking SQL details, and coordinating atomic writes across multiple repositories using a unit of work.

go database design patterns

Gateway pattern for external service calls

https://rednafi.com/go/gateway-pattern/ · 3 Aug 2025

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

go distributed systems design patterns

Writing a circuit breaker in Go

https://rednafi.com/go/circuit-breaker/ · 6 Oct 2024

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

networking go design patterns

Notes on building event-driven systems

https://rednafi.com/misc/notes-on-event-driven-systems/ · 21 Sep 2024

Deep dive into event-driven architecture patterns. Learn publish-subscribe, CQRS, outbox pattern, eventual consistency, and handling microservice coupling.

networking distributed systems design patterns

Strategy pattern in Go

https://rednafi.com/go/strategy-pattern/ · 17 Feb 2024

Replace inheritance with the Strategy pattern in Go using interfaces. Achieve composable, testable code without class hierarchies.

go til design patterns

Configuring options in Go

https://rednafi.com/go/configure-options/ · 5 Sep 2023

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

go api design patterns

Escaping the template pattern hellscape in Python

https://rednafi.com/python/escape-template-pattern/ · 1 Jul 2023

Replace inheritance-based template pattern with composition and Protocol types to create cleaner, testable Python code without namespace pollution.

python design patterns

Caching connection objects in Python

https://rednafi.com/python/caching-connection-objects/ · 16 Mar 2022

Learn efficient patterns for caching database connection objects in Python without import-time side effects or lru_cache complexity.

python til design patterns

Implementing proxy pattern in Python

https://rednafi.com/python/proxy-pattern/ · 16 Jun 2020

Learn the proxy design pattern in Python to add access control, caching, and validation layers without modifying core functionality.

python design patterns