Go Backend

A reference implementation using Gin, running on port 8082.

Quick Start

cd server/go
go run .

Server runs at http://localhost:8082.

Framework

• Runtime: Go 1.21+
• Framework: Gin
• Port: 8082 (override with PORT)

Endpoints

Implements the shared API endpoints:

• GET /api/captcha — generate captcha image
• POST /api/captcha/verify — verify captcha
• GET /api/health — health check
• GET /api/info — server info
• GET/POST/DELETE /api/security/* — IP blacklist management

Environment Variables

See the shared environment variables. Go defaults: PORT=8082, HOST=localhost.

TIP

This is a reference implementation, not a published package. Copy the code you need into your own Go project.