Middleware to print to the screen so I can see the responses when streaming data

development.rb

# app/config/environments/development.rb
# Middleware to print to the screen so I can see the responses when streaming data
config.middleware.use(
  Class.new do
    
    def initialize(app)
      @app = app
    end

    def call(env)
      status, headers, response = @app.call(env)
      response.each do |r|
        puts "########### REQUEST ##########\n"
      end
      [status, headers, response]
    end

  end
)