/// note | Nota

Você não necessariamente precisa adicionar diferentes escopos em diferentes lugares.

Nós estamos fazendo isso aqui para demonstrar como o **FastAPI** lida com escopos declarados em diferentes níveis.

///

{* ../../docs_src/security/tutorial005_an_py310.py hl[5,140,171] *}

/// info | Informações Técnicas

Rozmów w systemach czatu nie można tak łatwo przeszukiwać, jak na GitHubie, więc pytania i odpowiedzi mogą zaginąć w rozmowie. A tylko te na GitHubie liczą się do zostania [Ekspertem FastAPI](fastapi-people.md#fastapi-experts){.internal-link target=_blank}, więc najprawdopodobniej otrzymasz więcej uwagi na GitHubie.

Uma <a href="https://pt.wikipedia.org/wiki/Variável_de_ambiente" class="external-link" target="_blank">variável de ambiente</a> (abreviada em inglês para "env var") é uma variável definida fora do código Python, no sistema operacional, e pode ser lida pelo seu código Python (ou por outros programas).

Você pode criar e utilizar variáveis de ambiente no terminal, sem precisar utilizar Python:

//// tab | Linux, macOS, Windows Bash

<div class="termy">

```console

## Quraşdırma

<div class="termy">

```console
$ pip install fastapi

---> 100%
```

</div>

Tətbiqimizi əlçatan etmək üçün bizə <a href="https://www.uvicorn.org" class="external-link" target="_blank">Uvicorn</a> və ya <a href="https://github.com/pgjones/hypercorn" class="external-link" target="_blank">Hypercorn</a> kimi ASGI server lazımdır.

<div class="termy">

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lierne.no
life
lifeinsurance
lifestyle
lig.it
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like
likes-pie.com
likescandy.com
lillehammer.no
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lilly
lima-city.at
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}.fa-lightbulb:before{content:"\f0eb"}.fa-line:before{content:"\f3c0"}.fa-link:before{content:"\f0c1"}.fa-linkedin:before{content:"\f08c"}.fa-linkedin-in:before{content:"\f0e1"}.fa-linode:before{content:"\f2b8"}.fa-linux:before{content:"\f17c"}.fa-lira-sign:before{content:"\f195"}.fa-list:before{content:"\f03a"}.fa-list-alt:before{content:"\f022"}.fa-list-ol:before{content:"\f0cb"}.fa-list-ul:before{content:"\f0ca"}.fa-location-arrow:before{content:"\f124"}.fa-lock:before{content:"\f023"}.fa-loc...

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// Submitted by Phillipp Röll <******@****.***>
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// TransIP : https://www.transip.nl

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