# ✅ 🇨🇻 - 🏺, ✳, 🎏

👆 💪 🗻 🇨🇻 🈸 👆 👀 ⏮️ [🎧 🈸 - 🗻](./sub-applications.md){.internal-link target=_blank}, [⛅ 🗳](./behind-a-proxy.md){.internal-link target=_blank}.

👈, 👆 💪 ⚙️ `WSGIMiddleware` &amp; ⚙️ ⚫️ 🎁 👆 🇨🇻 🈸, 🖼, 🏺, ✳, ♒️.

## ⚙️ `WSGIMiddleware`

👆 💪 🗄 `WSGIMiddleware`.

⤴️ 🎁 🇨🇻 (✅ 🏺) 📱 ⏮️ 🛠️.

&amp; ⤴️ 🗻 👈 🔽 ➡.

```Python hl_lines="2-3  22"
{!../../../docs_src/wsgi/tutorial001.py!}
```

## ✅ ⚫️

🔜, 🔠 📨 🔽 ➡ `/v1/` 🔜 🍵 🏺 🈸.

&amp; 🎂 🔜 🍵 **FastAPI**.

🚥 👆 🏃 ⚫️ ⏮️ Uvicorn &amp; 🚶 <a href="http://localhost:8000/v1/" class="external-link" target="_blank">http://localhost:8000/v1/</a> 👆 🔜 👀 📨 ⚪️➡️ 🏺:

```txt
Hello, World from Flask!
```

&amp; 🚥 👆 🚶 <a href="http://localhost:8000/v2" class="external-link" target="_blank">http://localhost:8000/v2</a> 👆 🔜 👀 📨 ⚪️➡️ FastAPI:

```JSON
{
    "message": "Hello World"
}
```
