Fuego
A Go web framework that automatically generates OpenAPI 3 specifications from source code, compatible with Gin and Echo.
What is Fuego?
Fuego is a production-ready Go API framework that simplifies building APIs and web applications by automatically generating OpenAPI 3 documentation directly from code. It is built on top of the standard net/http package, ensuring full compatibility with the Go ecosystem and existing middleware. The framework leverages Go generics to provide modern features like automatic serialization, validation, and data transformation without requiring manual YAML or comment-based documentation.
Go developers building RESTful APIs or web applications who need automatic OpenAPI documentation generation and want to avoid framework lock-in. It is particularly suited for teams transitioning from Node.js frameworks like Nest or those using existing Go frameworks like Gin or Echo who want to add OpenAPI support without rewriting their servers.
Developers choose Fuego over alternatives like Chi, Gin, Fiber, or Echo because it uses Go generics to automatically deduce OpenAPI types from code signatures, eliminating the need for manual documentation. Its seamless net/http compatibility allows using any standard http.Handler middleware, preventing vendor lock-in while offering modern conveniences like automatic validation and serialization.
Overview
Golang Fuego - Web framework generating OpenAPI 3 spec from source code - Pluggable to existing Gin & Echo APIs
Use Cases
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