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
Every public API has a ceiling. Whether you’re running a SaaS platform, a microservice cluster, or a simple REST endpoint,
Network requests fail. Timeouts happen. Retries are inevitable. If your API charges a customer’s credit card twice because a TCP
Continue readingBuild APIs That Survive Retries: Idempotency Keys in Go
Every production service eventually faces the same question: how do you protect it from being overwhelmed? Whether it’s a sudden
Continue readingThe Art of Rate Limiting: 4 Algorithms Every Engineer Should Know