Gemfile.lock

GEM
  remote: https://rubygems.org/
  specs:
    connection_pool (2.2.5)
    dotenv (2.7.2)
    encrypted_cookie (0.0.5)
      rack (>= 1.1, < 3)
    faraday (0.17.4)
      multipart-post (>= 1.2, < 3)
    json (2.3.0)
    multipart-post (2.1.1)
    mustermann (1.1.1)
      ruby2_keywords (~> 0.0.1)
    net-http-persistent (3.1.0)
      connection_pool (~> 2.2)
    rack (2.2.3.1)
    rack-protection (2.2.0)
      rack
    ruby2_keywords (0.0.5)
    sinatra (2.2.0)
      mustermann (~> 1.0)
      rack (~> 2.2)
      rack-protection (= 2.2.0)
      tilt (~> 2.0)
    sinatra-cross_origin (0.4.0)
    stripe (4.21.3)
      faraday (~> 0.13)
      net-http-persistent (~> 3.0)
    tilt (2.0.10)

PLATFORMS
  ruby

DEPENDENCIES
  dotenv (~> 2.2)
  encrypted_cookie (~> 0.0)
  json (~> 2.3)
  sinatra (~> 2.2)
  sinatra-cross_origin
  stripe (~> 4.21.0)

RUBY VERSION
   ruby 2.7.1p83

BUNDLED WITH
   2.1.4