Gin Web Framework

📰 Gin 1.12.0 is now available!

We're excited to announce the release of Gin 1.12.0! This release brings new features, performance improvements, and important bug fixes. Check out the release announcement on our official blog for the full details.

Gin is a high-performance HTTP web framework written in Go. It provides a Martini-like API but with significantly better performance—up to 40 times faster—thanks to httprouter. Gin is designed for building REST APIs, web applications, and microservices where speed and developer productivity are essential.

Why choose Gin?

Gin combines the simplicity of Express.js-style routing with Go's performance characteristics, making it ideal for:

• Building high-throughput REST APIs
• Developing microservices that need to handle many concurrent requests
• Creating web applications that require fast response times
• Prototyping web services quickly with minimal boilerplate

Gin's key features:

• Zero allocation router - Extremely memory-efficient routing with no heap allocations
• High performance - Benchmarks show superior speed compared to other Go web frameworks
• Middleware support - Extensible middleware system for authentication, logging, CORS, etc.
• Crash-free - Built-in recovery middleware prevents panics from crashing your server
• JSON validation - Automatic request/response JSON binding and validation
• Route grouping - Organize related routes and apply common middleware
• Error management - Centralized error handling and logging
• Built-in rendering - Support for JSON, XML, HTML templates, and more
• Extensible - Large ecosystem of community middleware and plugins

Getting Started

Prerequisites

• Go version: Gin requires Go version 1.25 or above
• Basic Go knowledge: Familiarity with Go syntax and package management is helpful

Installation

With Go's module support, simply import Gin in your code and Go will automatically fetch it during build:

import "github.com/gin-gonic/gin"

Your First Gin Application

Here's a complete example that demonstrates Gin's simplicity:

package main

import (
  "log"
  "net/http"

  "github.com/gin-gonic/gin"
)

func main() {
  // Create a Gin router with default middleware (logger and recovery)
  r := gin.Default()

  // Define a simple GET endpoint
  r.GET("/ping", func(c *gin.Context) {
    // Return JSON response
    c.JSON(http.StatusOK, gin.H{
      "message": "pong",
    })
  })

  // Start server on port 8080 (default)
  // Server will listen on 0.0.0.0:8080 (localhost:8080 on Windows)
  if err := r.Run(); err != nil {
    log.Fatalf("failed to run server: %v", err)
  }
}

Running the application:

1. Save the code above as main.go

2. Run the application:

   shCopy

   go run main.go
   

3. Open your browser and visit http://localhost:8080/ping

4. You should see: {"message":"pong"}

What this example demonstrates:

• Creating a Gin router with default middleware
• Defining HTTP endpoints with simple handler functions
• Returning JSON responses
• Starting an HTTP server

Next Steps

After running your first Gin application, explore these resources to learn more:

📚 Learning Resources

• Gin Quick Start Guide - Comprehensive tutorial with API examples and build configurations
• Example Repository - Ready-to-run examples demonstrating various Gin use cases:
  • REST API development
  • Authentication & middleware
  • File uploads and downloads
  • WebSocket connections
  • Template rendering

📖 Documentation

API Reference

• Go.dev API Documentation - Complete API reference with examples

User Guides

The comprehensive documentation is available on gin-gonic.com in multiple languages:

• English | 简体中文 | 繁體中文
• 日本語 | 한국어 | Español
• Turkish | Persian | Português
• Russian | Indonesian

Official Tutorials

• Go.dev Tutorial: Developing a RESTful API with Go and Gin

⚡ Performance Benchmarks

Gin demonstrates exceptional performance compared to other Go web frameworks. It uses a custom version of HttpRouter for maximum efficiency. View detailed benchmarks →

Gin vs. Other Go Frameworks (GitHub API routing benchmark):

• (1): Total Repetitions achieved in constant time, higher means more confident result
• (2): Single Repetition Duration (ns/op), lower is better
• (3): Heap Memory (B/op), lower is better
• (4): Average Allocations per Repetition (allocs/op), lower is better

🔌 Middleware Ecosystem

Gin has a rich ecosystem of middleware for common web development needs. Explore community-contributed middleware:

• gin-contrib - Official middleware collection including:
  • Authentication (JWT, Basic Auth, Sessions)
  • CORS, Rate limiting, Compression
  • Logging, Metrics, Tracing
  • Static file serving, Template engines
• gin-gonic/contrib - Additional community middleware

🏢 Production Usage

Gin powers many high-traffic applications and services in production:

• gorush - High-performance push notification server
• fnproject - Container-native, serverless platform
• photoprism - AI-powered personal photo management
• lura - Ultra-performant API Gateway framework
• picfit - Real-time image processing server
• dkron - Distributed job scheduling system

🤝 Contributing

Gin is the work of hundreds of contributors from around the world. We welcome and appreciate your contributions! See the full list of contributors.

How to Contribute

• 🐛 Report bugs - Help us identify and fix issues
• 💡 Suggest features - Share your ideas for improvements
• 📝 Improve documentation - Help make our docs clearer
• 🔧 Submit code - Fix bugs or implement new features
• 🧪 Write tests - Improve our test coverage

Getting Started with Contributing

1. Check out our CONTRIBUTING.md for detailed guidelines
2. Join our community discussions and ask questions

All contributions are valued and help make Gin better for everyone!