Gin Router Returning 404 on Valid Route
When a Gin route returns a 404 even though the handler is clearly registered and the path looks correct, the cause is almost always a subtle mismatch between...
Category
Go / Gin
Debugging Go services and the Gin web framework.
Go GORM Foreign Key Constraint Violation on Insert
A foreign key constraint violation in GORM during an insert almost always means you're trying to save a record that references a parent row which doesn't exist...
Go "Package Not Found" After go mod tidy
Running go mod tidy is supposed to clean up your dependencies, but it can sometimes leave you with a "package not found" error for something that was working...
Go Struct JSON Tags Not Serializing Correctly
When a Go struct doesn't serialize to JSON the way you expect — fields missing entirely, wrong key names, or values that should be omitted but aren't — the...