Cloud 결제 - 예산 알림

https://console.cloud.google.com/billing/01E9DF-4EB013-FF28B7/budgets/486e49ec-0824-460c-9982-bc7b83568230/edit?authuser=2

API 상한선 설정

https://console.cloud.google.com/apis/dashboard?project=to-be-determined-8620e&hl=ko&_ga=2.214111255.1631794375.1692792971-1714506568.1666786557&supportedpurview=project

Firebase DB 보안 규칙

https://firebase.google.com/docs/reference/security/database?hl=ko