GEM remote: https://rubygems.org/ specs: mustermann (1.0.3) puma (3.12.0) rack (2.0.6) rack-protection (2.0.4) rack sinatra (2.0.4) mustermann (~> 1.0) rack (~> 2.0) rack-protection (= 2.0.4) tilt (~> 2.0) tilt (2.0.8) PLATFORMS ruby DEPENDENCIES puma sinatra BUNDLED WITH 1.16.3