Error Tracing: Lessons Learned From the Trenches
Every Go engineer has written this: 1 2 3 if err != nil { return err } It feels like error handling. In a layered architecture, it’s the beginning of the problem. Errors travel from persistence through business logic to the API handler, and at every stop a layer can amplify them, misinterpret them, or leak their internals to places they were never meant to reach. ...