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aiohttp and Gunicorn
=====================
Launching your aiohttp web application on Ubuntu Linux with Gunicorn
Prepare environment
-------------------
Everything was tested on Ubuntu 14.04::
>> mkdir myapp
>> cd myapp
Ubuntu has a bug in pyenv, so to create virtualenv you need to do some
extra manipulation::
>> pyvenv-3.4 --without-pip venv
>> source venv/bin/activate
>> curl https://bootstrap.pypa.io/get-pip.py | python
>> deactivate
>> source venv/bin/activate
The Virtual environment should be ready, now we need to install aiohttp and gunicorn::
>> pip install gunicorn
>> pip install -e git+https://github.com/KeepSafe/aiohttp.git#egg=aiohttp
Application
-----------
Lets write a simple application:
.. code-block:: python
from aiohttp import web
def index(request):
return web.Response(text="Welcome home!")
app = web.Application()
app.router.add_route('GET', '/', index)
Save this code to *app.py* file.
Start Gunicorn
--------------
You can not use *gaiohttp* worker from gunicorn because it supports only
aiohttp.wsgi applications. Instead of *gaiohttp* you should
use *aiohttp.worker.GunicornWebWorker*::
>> gunicorn app:app -k aiohttp.worker.GunicornWebWorker -b localhost:8080
[2015-03-11 18:27:21 +0000] [1249] [INFO] Starting gunicorn 19.3.0
[2015-03-11 18:27:21 +0000] [1249] [INFO] Listening at: http://127.0.0.1:8080 (1249)
[2015-03-11 18:27:21 +0000] [1249] [INFO] Using worker: aiohttp.worker.GunicornWebWorker
[2015-03-11 18:27:21 +0000] [1253] [INFO] Booting worker with pid: 1253
It is up and ready to serve requests.
More information
----------------
Please refer `official documentation <http://docs.gunicorn.org/en/latest/deploy.html>`_ for more information about *Gunicorn* production deployment.
.. disqus::
|
