Applies to: Fiber v2.50+, Go 1.21+, High-Performance REST APIs, Microservices
Fiber is an Express-inspired web framework built on top of Fasthttp, the fastest HTTP engine for Go. It is designed for ease of use with zero memory allocation and performance in mind.
Core: fiber/v2, gofiber/swagger | Database: gorm, gorm/driver/postgres | Validation: go-playground/validator/v10 | Auth: golang-jwt/jwt/v5, x/crypto/bcrypt | Testing: stretchr/testify | Docs: swaggo/swag
Fiber framework guardrails, patterns, and best practices for AI-assisted development. Use when working with Fiber projects, or when the user mentions Fiber framework. Provides Express-style routing, middleware, high-performance patterns, and REST API guidelines. Source: ar4mirez/samuel.