sinatra_ssl.rb

# see https://stackoverflow.com/questions/2362148/how-to-enable-ssl-for-a-standalone-sinatra-app

require 'webrick/https'

module Sinatra
    class Application
        def self.run!
            certificate_content = File.open(ssl_certificate).read
            key_content = File.open(ssl_key).read

            server_options = {
                :Host => bind,
                :Port => port,
                :SSLEnable => true,
                :SSLCertificate => OpenSSL::X509::Certificate.new(certificate_content),
                :SSLPrivateKey => OpenSSL::PKey::RSA.new(key_content)
            }

            Rack::Handler::WEBrick.run self, server_options do |server|
                [:INT, :TERM].each { |sig| trap(sig) { server.stop } }
                server.threaded = settings.threaded if server.respond_to? :threaded=
                set :running, true
            end
        end
    end
end