# Development

The first thing that should be mentioned is that the webserver that is integrated into Sanic is not just a development server.

It is production ready, provided you are not in debug mode.

# Debug mode

By setting the debug mode a more verbose output from Sanic will be output and the Automatic Reloader will be activated.

from sanic import Sanic
from sanic.response import json

app = Sanic(__name__)

async def hello_world(request):
    return json({"hello": "world"})

if __name__ == "__main__":
    app.run(host="", port=1234, debug=True)


Sanic's debug more will slow down the server's performance and is therefore advised to enable it only in development environments.

# Automatic Reloader

Sanic offers a way to enable or disable the Automatic Reloader manually (and independent from debug mode). The auto_reload argument will activate or deactivate the Automatic Reloader.

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