GEM remote: https://rubygems.org/ specs: multi_json (1.15.0) mustermann (3.0.0) ruby2_keywords (~> 0.0.1) nio4r (2.5.9) puma (6.3.0) nio4r (~> 2.0) rack (2.2.7) rack-protection (3.0.6) rack ruby2_keywords (0.0.5) sinatra (3.0.6) mustermann (~> 3.0) rack (~> 2.2, >= 2.2.4) rack-protection (= 3.0.6) tilt (~> 2.0) sinatra-contrib (3.0.6) multi_json mustermann (~> 3.0) rack-protection (= 3.0.6) sinatra (= 3.0.6) tilt (~> 2.0) tilt (2.2.0) PLATFORMS x86_64-linux DEPENDENCIES puma (~> 6.3) sinatra (~> 3.0) sinatra-contrib (~> 3.0) BUNDLED WITH 2.3.5