Part 3: Golang + Kratos v2 — Microservice Framework Internals
For engineers coming from Magento PHP, the shift to Go microservices isn’t just a language change — it’s a fundamentally different way of organizing code. Magento has controllers, models, blocks, helpers, and plugins. Go with Kratos v2 has exactly five layers, each with a precisely defined responsibility. Answer-first: A production Go microservice on this platform follows the Kratos v2 directory convention (api/ → cmd/ → internal/biz/ → internal/data/ → internal/server/), uses Google Wire for compile-time dependency injection, exposes both HTTP and gRPC simultaneously on different ports (8xxx/9xxx), and imports a shared common library at v1.9.5 that provides outbox, caching, worker, metrics, and logging — standardized across all 21 services. ...