Request Validation

When building REST APIs or web applications in Go, one of the essential tasks is validating incoming request data. Having worked on various small to medium-sized projects in Golang—most of which are microservices providing RESTful APIs—I’ve employed several approaches to handle data validation. Among these, there’s one method I frequently rely on. For validating application/json or text/plain requests, I begin by defining a struct type to represent the specific request payload. Then, I implement a Validate method on that struct to encapsulate the validation logic. ...