Starlette

https://www.starlette.io/

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Starlette is a lightweight ASGI framework/toolkit for building production-ready async web services...

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### Install Starlette

Source: https://www.starlette.io

Install Starlette using pip. It is recommended to also install an ASGI server like uvicorn.

```bash
pip install starlette

```

```bash
pip install uvicorn

```

--------------------------------

### Run minimal ASGI application with uvicorn

Source: https://www.starlette.io

Example output of running a minimal ASGI application with uvicorn, showing server startup information.

```bash
$ uvicorn main:app
INFO: Started server process [11509]
INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)


```

--------------------------------

### Create a minimal ASGI application

Source: https://www.starlette.io

A minimal ASGI application that responds with plain text. This can be run directly by an ASGI server.

```python
from starlette.responses import PlainTextResponse


async def app(scope, receive, send):
    assert scope['type'] == 'http'
    response = PlainTextResponse('Hello, world!')
    await response(scope, receive, send)

```

--------------------------------

### Create a basic Starlette application

Source: https://www.starlette.io

A simple Starlette application that defines a homepage route returning a JSON response. This requires Starlette and an ASGI server like uvicorn to run.

```python
from starlette.applications import Starlette
from starlette.responses import JSONResponse
from starlette.routing import Route


async def homepage(request):
    return JSONResponse({'hello': 'world'})


app = Starlette(debug=True, routes=[
    Route('/', homepage),
])

```

--------------------------------

### Run Starlette application with uvicorn

Source: https://www.starlette.io

Command to run the Starlette application using the uvicorn ASGI server.

```bash
uvicorn main:app

```

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