Puma is a simple, fast, threaded, and highly concurrent HTTP 1.1 server for Ruby/Rack applications. Puma is intended for use in both development and production environments. In order to get the best throughput, it is highly recommended that you use a Ruby implementation with real threads like Rubinius or JRuby.
Required Ruby Version
>= 1.9.3
Authors
Evan Phoenix
Versions
- 8.0.2 May 26, 2026 java (287 KB)
- 8.0.2 May 26, 2026 (259 KB)
- 8.0.1 April 26, 2026 java (287 KB)
- 8.0.1 April 26, 2026 (259 KB)
- 8.0.0 April 09, 2026 java (288 KB)
- 3.9.0 June 01, 2017 java (135 KB)