another_rack_app.rb

require "rack/handler/puma"

class AnotherRackApp
  def call(env)
    http_verb = env["REQUEST_METHOD"]
    path = env["PATH_INFO"]
    status = 200
    headers = {"Content-Type" => "text/html"}
    body = ["got #{http_verb} <b>request</b> from <strong>#{path}</strong> path"]
    [status, headers, body]
  end
end
app = AnotherRackApp.new
Rack::Handler::Puma.run app, Port: 9292