```Python hl_lines="1  7-12  19-20"
{!../../docs_src/dataclasses/tutorial001.py!}
```

👉 🐕‍🦺 👏 **Pydantic**, ⚫️ ✔️ <a href="https://docs.pydantic.dev/latest/concepts/dataclasses/#use-of-stdlib-dataclasses-with-basemodel" class="external-link" target="_blank">🔗 🐕‍🦺 `dataclasses`</a>.

, ⏮️ 📟 🔛 👈 🚫 ⚙️ Pydantic 🎯, FastAPI ⚙️ Pydantic 🗜 📚 🐩 🎻 Pydantic 👍 🍛 🎻.

    * У запитах та відповідях буде представлений як `float` загальної кількості секунд.
    * Pydantic також дозволяє представляти це як "ISO 8601 time diff encoding", <a href="https://docs.pydantic.dev/latest/concepts/serialization/#json_encoders" class="external-link" target="_blank">більше інформації дивись у документації</a>.
* `frozenset`:
    * У запитах і відповідях це буде оброблено так само, як і `set`:

# CuDNN: https://docs.nvidia.com/deeplearning/sdk/cudnn-install/index.html#ubuntu-network-installation
libcudnn9-dev-cuda-12=9.1.1.17-1
libcudnn9-cuda-12=9.1.1.17-1

# This can be removed once NVIDIA publishes a cuda-12.3.2 Docker image.
# For now it ensures that we install at least version 12.3.107 of PTXAS,
# since 12.3.103 has a bug.

当你安装 FastAPI 时（例如使用 `pip install FastAPI` 命令），会包含一个名为 `fastapi-cli` 的软件包，该软件包在终端中提供 `fastapi` 命令。

要在开发环境中运行你的 FastAPI 应用，你可以使用 `fastapi dev` 命令：

<div class="termy">

```console
$ <font color="#4E9A06">fastapi</font> dev <u style="text-decoration-style:single">main.py</u>
<font color="#3465A4">INFO    </font> Using path <font color="#3465A4">main.py</font>

  - type: textarea
    id: what-did-you-do
    attributes:
      label: "What did you do?"
      description: "If possible, provide a recipe for reproducing the error. A complete runnable program is good. A link on [go.dev/play](https://go.dev/play) is better. A failing unit test is the best."
    validations:
      required: true
  - type: textarea
    id: actual-behavior
    attributes:
      label: "What did you see happen?"
    validations:

    * A Python `datetime.timedelta`.
    * In requests and responses will be represented as a `float` of total seconds.
    * Pydantic also allows representing it as a "ISO 8601 time diff encoding", <a href="https://docs.pydantic.dev/latest/concepts/serialization/#custom-serializers" class="external-link" target="_blank">see the docs for more info</a>.
* `frozenset`:
    * In requests and responses, treated the same as a `set`:

```

</div>

<details markdown="1">
<summary>Over het commando <code>fastapi dev main.py</code>...</summary>

Het commando `fastapi dev` leest het `main.py` bestand, detecteert de **FastAPI** app, en start een server met <a href="https://www.uvicorn.org" class="external-link" target="_blank">Uvicorn</a>.

Standaard zal dit commando `fastapi dev` starten met "auto-reload" geactiveerd voor ontwikkeling op het lokale systeem.

RUN chmod +x /build/download-static-curl && \
    /build/download-static-curl

FROM registry.access.redhat.com/ubi9/ubi-micro:latest

ARG RELEASE

LABEL name="MinIO" \
      vendor="MinIO Inc <dev@min.io>" \
      maintainer="MinIO Inc <dev@min.io>" \
      version="${RELEASE}" \
      release="${RELEASE}" \
      summary="MinIO is a High Performance Object Storage, API compatible with Amazon S3 cloud storage service." \

FROM registry.access.redhat.com/ubi8/ubi-micro:latest

ARG RELEASE

LABEL name="MinIO" \
      vendor="MinIO Inc <dev@min.io>" \
      maintainer="MinIO Inc <dev@min.io>" \
      version="${RELEASE}" \
      release="${RELEASE}" \
      summary="MinIO is a High Performance Object Storage, API compatible with Amazon S3 cloud storage service." \

		//nolint:unconvert
		FSType: getFSType(int64(s.Type)),
	}

	st := syscall.Stat_t{}
	err = syscall.Stat(path, &st)
	if err != nil {
		return Info{}, err
	}
	//nolint:unconvert
	devID := uint64(st.Dev) // Needed to support multiple GOARCHs
	info.Major = unix.Major(devID)
	info.Minor = unix.Minor(devID)

	// Check for overflows.
	// https://github.com/minio/minio/issues/8035