Microservices promised us smaller, more maintainable codebases. They delivered — along with a debugging nightmare. When a request flows through
Continue readingOpenTelemetry in Go: From Zero to Distributed Tracing
Most applications start with a simple mental model: one database, one set of tables, and CRUD operations that read and
Continue readingCQRS in Practice: Splitting Reads and Writes for Scalable Systems
Constructors in Go are simple when a type has one or two fields. But the moment you start building something
Continue readingMastering the Functional Options Pattern in Go
Most microservice architectures still rely on an outdated security model: trust everything inside the network, and defend the perimeter. The
Continue readingZero Trust Microservices: Implementing mTLS in Go
Networks are unreliable. Clients retry requests. Messages get delivered twice. In a distributed system, the question isn’t whether a duplicate
Continue readingImplementing Idempotency in Go: Keys, Stores, and Patterns for Reliable APIs
Go’s error handling gets a lot of attention — and a lot of criticism. The familiar if err != nil
Continue readingEffective Error Handling in Go: From `if err != nil` to `errors.AsType`
Every developer who has worked with microservices eventually hits the same wall: a single business operation needs to touch multiple
When one service in a distributed system starts failing, the cascade can bring down everything downstream. A slow database connection
Business rules have a nasty habit of multiplying. What starts as a simple if check grows into nested conditionals scattered
Continue readingThe Specification Pattern in Go: Composable Business Rules Without the Spaghetti
CQRS and Event Sourcing: Building an Order System from Scratch in Go Most of us build CRUD services by default:
Continue readingCQRS and Event Sourcing: Building an Order System from Scratch in Go