Rack provides a minimal, modular and adaptable interface for developing web applications in Ruby. By wrapping HTTP requests and responses in the simplest way possible, it unifies and distills the API for web servers, web frameworks, and software in between (the so-called middleware) into a single method call.
Required Ruby Version
>= 2.4.0
Authors
Leah Neukirchen
Versions
- 3.2.6 April 01, 2026 (119 KB)
- 3.2.5 February 16, 2026 (117 KB)
- 3.2.4 November 02, 2025 (116 KB)
- 3.2.3 October 10, 2025 (116 KB)
- 3.2.2 October 07, 2025 (116 KB)
