```JSON
{
    "message": "Hello World",
    "root_path": "/api/v1"
}
```

So, it won't expect to be accessed at `http://127.0.0.1:8000/api/v1/app`.

          url = "http://127.0.0.1:8000"
```

Diese Datei konfiguriert Traefik, das Pfadpräfix `/api/v1` zu verwenden.

Und dann leitet Traefik seine Anfragen an Ihren Uvicorn weiter, der unter `http://127.0.0.1:8000` läuft.

Starten Sie nun Traefik:

<div class="termy">

```console
$ ./traefik --configFile=traefik.toml

```

</div>

### 查看响应

访问含 Uvicorn 端口的 URL：<a href="http://127.0.0.1:8000/app" class="external-link" target="_blank">http://127.0.0.1:8000/app，就能看到标准响应：</a>

```JSON
{
    "message": "Hello World",
    "root_path": "/api/v1"
}
```

!!! tip "提示"

✋️ 🚥 👆 🚶 ⏮️ 👆 🖥 <a href="http://127.0.0.1:8000" class="external-link" target="_blank">http://127.0.0.1:8000/app</a> 👆 🔜 👀 😐 📨:

```JSON
{
    "message": "Hello World",
    "root_path": "/api/v1"
}
```

, ⚫️ 🏆 🚫 ⌛ 🔐 `http://127.0.0.1:8000/api/v1/app`.

Uvicorn 🔜 ⌛ 🗳 🔐 Uvicorn `http://127.0.0.1:8000/app`, &amp; ⤴️ ⚫️ 🔜 🗳 🎯 🚮 ➕ `/api/v1` 🔡 🔛 🔝.

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