Feature Flags in Go: A Practical Guide with Examples

This was originally published on rollgate.io/blog/feature-flags-golang . Why Feature Flags in Go? Go is the language of choice for microservices, API backends, CLI tools, and infrastructure software. Teams shipping Go code in production face the same challenge: how do you release features safely without redeploying your entire service? Feature flags in Go solve this by decoupling deployment from release . You deploy code to production behind a flag, then control who sees it — without touching yo