GEM
  remote: https://rubygems.org/
  specs:
    mail (2.6.3)
      mime-types (>= 1.16, < 3)
    mime-types (2.6.2)
    puma (2.14.0)
    rack (1.6.4)

PLATFORMS
  ruby

DEPENDENCIES
  mail
  puma
  rack

BUNDLED WITH
   1.10.6