coffee-8.x-1.x-dev/coffee.routing.yml

coffee.configuration:
  path: '/admin/config/user-interface/coffee'
  defaults:
    _form: 'Drupal\coffee\Form\CoffeeConfigurationForm'
    _title: 'Coffee configuration'
  requirements:
    _permission: 'administer coffee'

coffee.get_data:
  path: '/admin/coffee/get-data'
  defaults:
    _controller: 'Drupal\coffee\Controller\CoffeeController::coffeeData'
  requirements:
    _permission: 'access coffee'