On the other hand, if you have 2 servers and you are using **100% of their CPU and RAM**, at some point one process will ask for more memory, and the server will have to use the disk as "memory" (which can be thousands of times slower), or even **crash**. Or one process might need to do some computation and would have to wait until the CPU is free again.

* **PGAdmin** для СУБД PostgreSQL, которые легко можно заменить на PHPMyAdmin и MySQL.
* **Flower** для отслеживания работы Celery.
* Балансировка нагрузки между фронтендом и бэкендом с помощью **Traefik**, а значит, Вы можете расположить их на одном домене, разделив url-пути, так как они обслуживаются разными контейнерами.

    Because of that, versions of FastAPI previous to 0.99.0 still used versions of OpenAPI lower than 3.1.0.

### Pydantic and FastAPI `examples`

When you add `examples` inside a Pydantic model, using `schema_extra` or `Field(examples=["something"])` that example is added to the **JSON Schema** for that Pydantic model.