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You can use any template engine you want with **FastAPI**.

A common choice is Jinja2, the same one used by Flask and other tools.

There are utilities to configure it easily that you can use directly in your **FastAPI** application (provided by Starlette).

## Install dependencies { #install-dependencies }

Make sure you create a [virtual environment](../virtual-environments.md){.internal-link target=_blank}, activate it, and install `jinja2`:

You actually don't have users that log in to your application but robots, bots, or other systems, that have just an access token? Again, it all works the same.

Just use any kind of model, any kind of class, any kind of database that you need for your application. **FastAPI** has you covered with the dependency injection system.

## Code size { #code-size }

            "https://androidx.dev/studio/builds"
        )
        val nightlyVersion = fetchNightlyVersion(
            "https://androidx.dev/studio/builds/$nightlyBuildId/artifacts/artifacts/repository/com/android/application/com.android.application.gradle.plugin/maven-metadata.xml"
        )
        val aapt2Versions = fetchAapt2Versions(
            latests.toSet().plus(nightlyVersion),

            "description": "Just kiddin', no magic here. ✨",
        },
    }


@app.post(
    "/items/",
    openapi_extra={
        "requestBody": {
            "content": {
                "application/json": {
                    "schema": {
                        "required": ["name", "price"],
                        "type": "object",
                        "properties": {

Learn more about it below. 👇

## Versions

The latest version of FastAPI is supported.

You are encouraged to [write tests](https://fastapi.tiangolo.com/tutorial/testing/) for your application and update your FastAPI version frequently after ensuring that your tests are passing. This way you will benefit from the latest features, bug fixes, and **security fixes**.

Ви можете оголосити кілька параметрів `File` і `Form` в операції *шляху*, але не можете одночасно оголошувати `Body`-поля, які очікуєте отримати у форматі JSON, оскільки запит матиме тіло, закодоване за допомогою `multipart/form-data`, а не `application/json`.

Це не обмеження **FastAPI**, а частина протоколу HTTP.

///

## Підсумок

Это не ограничение **FastAPI**, это часть протокола HTTP.

///

## Резюме { #recap }

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<span style="color: green;">INFO</span>:     Started server process [28722]
<span style="color: green;">INFO</span>:     Waiting for application startup.
<span style="color: green;">INFO</span>:     Application startup complete.
```

</div>

コードを記述またはコピーし、編集してローカルで実行することを**強くお勧めします**。

また、エディターで使用することで、書く必要のあるコードの少なさ、すべての型チェック、自動補完などのFastAPIの利点を実感できます。

---