Django app deployment in Azure By Saurabh Agarwal

Heard of MVC ?...
• Models
• Views
• Controllers
8/25/2014 Talentica Software

DJANGO ARCHITECTURE
Django instead uses a similar MTV pattern .
Models
Templates
Views
But this is just naming convention and is pretty much
the MVC pattern.

DJANGO PROJECT STRUCTURE
django-admin.py startproject helloworld
helloworld/manage.py
helloworld/__init__.py
settings.py
urls.py
wsgi.py
• python manage.py startapp polls
polls/ __init__.py
admin.py
models.py
tests.py
views.py

3 options …
Virtual Machine
Web Sites
Cloud Services
25-08-2014 Talentica Software

Virtual Machine
We can deploy the django app in any VM .
We will create a Ubuntu(Linux) vm and deploy django
app there .

Creating and setup the Linux VM on Windows Azure (from gallery)

Once it is ready, click to open the VM management, and go to Endpoints. Click Add Enpoints in the command bar at
the bottom, and open the port 80 for your VM

SSH using Putty
Download putty if you haven’t. Open Putty and connect to your Linux VM using your VM url, and SSH port.

Once you are login, enter the following commands to install Python, Django and Apache server.
The Python Package Index is a repository of software for the Python programming language
sudo apt-get install python-setuptools
sudo easy_install django
sudo apt-get install apache2 libapache2-mod-wsgi
Nano views.py
Nano urls.py

Now open up your apache default config file using nano
sudo nano /etc/apache2/httpd.conf
Insert these the two lines to the top of the file
WSGIScriptAlias / /home/azureuser/back-end/trainerplus/wsgi.py
WSGIPythonPath /home/azureuser/back-end
<Directory /home/azureuser/back-end/trainerplus>
<Files wsgi.py>
Order deny,allow
Allow from all
</Files>
</Directory>
sudo apachectl restart

Azure Websites
To publish Websites and Cloud Services , we need
Python Tools 2.0 for Visual Studio
Python 2.7 (32-bit)
Visual Studio and Windows Azure SDK:
VS 2010 Pro or higher with Windows Azure SDK 2.1
VS 2012 Pro or higher with Windows Azure SDK 2.1, 2.2 or later
VS 2013 Pro or higher with Windows Azure SDK 2.2 or later

Creating a Project

Creating a Virtual Environment
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Azure Websites
Download the publishing profile .

In Visual Studio, right-click on the project node and select Publish.
Import the web site publish profile file you downloaded previously.
Accept the defaults and click Publish to initiate the publishing.
When publishing has completed, a web browser will open to the published web site.

Azure Cloud Service
Right-click on the project node and select Add Windows Azure Cloud Service
Project or Convert →Convert to Windows Azure Cloud Service Project (you'll see one or the other,
depending on your version of Visual Studio). This will add a new project to the solution, with the
.Azure suffix. This new project is marked as the startup project in the solution

What to choose???
Windows Azure Web Sites are ideal for… Windows Azure Web Roles are ideal
for...
Windows Azure Virtual Machines
are ideal for...
Modern Web Apps
Applications that consist of client-side
markup and scripting and/or server-side
scripting and a database. You can scale out
or up as needed.
Also the web tier of multi-tier applications.
Multi-tier Applications
Applications that are composed
of multiple tiers, each of which can be
scaled independently (i.e. asynchronous
background processing, like order
processing) using both Web and Worker
Roles.
Note: Web Sites can also be used for the
web tier.
Server Applications
Existing applications that leverage
SQL Server, MySQL, MongoDB,
Sharepoint Server, etc.
Continuous Development
Deploy directly from your source code
repository using Git or Team Foundation
Service.
Apps that require advanced
administration
Applications that require admin access,
remote desktop access, or running code
with elevated privileges.
Existing line-of-business apps
Choose an image from the gallery or
upload your own VHD.
Popular Open Source Apps
Launch a site with a few clicks using apps
like WordPress, Joomla!, and Drupal.
Apps that require advanced
networking
Applications that require network
isolation with Windows Azure
Connect or Windows Azure Virtual
Network.
Windows or Linux
Support for Windows Server and
community/commercial versions of
Linux. Connect VMs with Cloud
Services to take advantage of PaaS
services.
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(Web Sites vs Web Roles) Feature breakdown…
Feature Web Sites Web Roles
Access to services like Caching, Service Bus, Storage,
SQL Azure Database Yes Yes
Support for ASP.NET, classic ASP, Node.js, PHP Yes Yes
Shared content and configuration Yes No
Deploy code with GIT, FTP Yes No
Near-instant deployment Yes No
Integrated MySQL-as-a-service support Yes Yes*
Multiple deployment environments (production and
staging) No Yes
Network isolation No Yes
Remote desktop access to servers No Yes
Ability to run programs with elevated permissions No Yes
Ability to define/execute start-up tasks No Yes
Ability to use unsupported frameworks or libraries No Yes
Support for Windows Azure Connect/ Windows Azure
Network No Yes
Talentica Software

References
Django Web Site/Cloud Service Tutorial
Running Django on Linux VM

Django app deployment in Azure By Saurabh Agarwal

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