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POSeamless deployment of Django to single server
 

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    <p>I have a new website built on Django and Python 2.6 which I've deployed to the cloud (buzzword compliant AND the Amazon micro EC2 instance is free!).<br> Here are my detailed notes: <a href="https://docs.google.com/document/d/1qcZ_SqxNcFlGKNyp-CXqcFxXXsKs26Avv3mytXGCedA/edit?hl=en_US" rel="nofollow noreferrer">https://docs.google.com/document/d/1qcZ_SqxNcFlGKNyp-CXqcFxXXsKs26Avv3mytXGCedA/edit?hl=en_US</a></p> <p>As this is a new site (and wanting to play with the latest and greatest) I used Nginx and Gunicorn on top of Supervisor.<br> All software installed from trunk using YUM / easy_install.<br> My database is Sqlite (for now - not sure of where to go next, but that is not the question). Also on the todo list: virtualenv + pip.<br> So far so good.<br> My code in in SVN. I wrote a simple fabfile to deploy - checks out the latest code and restarts Gunicorn via Supervisor. I hooked my DNS name to an Elastic IP.<br> <strong>It works.</strong></p> <p>My question is, how do I update the site without a disruption of service? Users of the site get 404s / 500s when I run my little update script.</p> <p>Is there a way to do this without adding another server (price is key)?</p> <p>I would love to have a staging system (on a different port?) and a seamless switch between Staging and Production. On the same (free) server. Via Fabric.<br> How do I do that? Is it the same Nginx running both sites? Can I upgrade Staging without hurting Production? What would the fabfile look like? What would the directory tree look like?</p> <p>Thanks!</p> <p>Tal.</p> <p>Related: </p> <ul> <li><a href="https://stackoverflow.com/questions/2107615/seamless-deployment-in-rails">Seamless deployment in Rails</a></li> - </ul>
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    1. COFor anybody reading "EC2 Micro is free": it isn't really (at least not anymore). It is free for the first 750h, which is approximatevely a 20$ offer. checkout the other [ASW Free Offers](http://aws.amazon.com/free/)..
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