rate_limiter.services.yml

services:
  rate_limiter.manager:
    class: Drupal\rate_limiter\RateLimitManager
    tags:
      - { name: backend_overridable }
  rate_limiter.middleware:
    class: Drupal\rate_limiter\RateLimitMiddleware
    arguments: ['@rate_limiter.manager']
    tags:
      - { name: http_middleware, priority: 400 }
  cache.ratelimit:
      class: Drupal\Core\Cache\CacheBackendInterface
      tags:
        - { name: cache.bin }
      factory: cache_factory:get
      arguments: [ratelimit]