Django

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Django is an open source Python Web framework that encourages rapid development along with clean, pragmatic design. It is built by experienced developers, which ensures hassle-free Web development to make users focus on writing an application without needing to reinvent the wheel. A web application framework is basically a toolkit of components all web applications need.

Miri Infotech, one of the leading IT solutions providers is configuring DJANGO, a high-level Python Web framework which is embedded with Ubuntu along with ready-to-launch AMI on AWS E2 that contains Python, Pip.

Today, one of the most significant advantages of learning Python is the ability it provides to the users to use Django web framework. It has been speedily gaining popularity for its pragmatic design and as well as for ease of use.

The aim is to allow developers to instead of implementing the same solutions over and over again, focus on the parts of their application that are new and unique to their project. In fact, Django framework is much more fully featured than many other frameworks available in the market. Additionally, this python web framework allows users to model their domain and code classes, and in no time they already have an ORM.

Why is Django a good web framework choice?

  • Best Security
  • It’s fast and simple
  • It is Versatile
  • Great Compatibility
  • Debugging Tools
  • It Supports MVC programming paradigm
  • It suits any web application project
  • Readability Factor
  • Designed as a batteries-included web framework
  • It’s well-established
  • Scalability
  • Robust Built-In Template System
  • Simple Syntax

The Django project’s stability, performance, and community have grown tremendously over the past years since the framework’s creation. Detailed tutorials and good practices are easily available on the web and in books. The framework continues to add significant new functionalities like database migrations with each release.

Django on AWS is a crucial addition to projects that need to handle large volumes of content, user interactions or heavy traffic, or deal with complex functions or technology. Still, it is simple enough for smaller-scale projects, or for projects with a much higher level.

You can subscribe to Django, an AWS Marketplace product and launch an instance from the Django product’s AMI using the Amazon EC2 launch wizard.

To launch an instance from the AWS Marketplace using the launch wizard

  • Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/
  • From the Amazon EC2 dashboard, choose Launch Instance. On the Choose an Amazon Machine Image (AMI) page, choose the AWS Marketplace category on the left. Find a suitable AMI by browsing the categories, or using the search functionality. Choose Select to choose your product.
  • A dialog displays an overview of the product you’ve selected. You can view the pricing information, as well as any other information that the vendor has provided. When you’re ready, choose Continue.
  • On the Choose an Instance Type page, select the hardware configuration and size of the instance to launch. When you’re done, choose Next: Configure Instance Details.
  • On the next pages of the wizard, you can configure your instance, add storage, and add tags. For more information about the different options you can configure, see Launching an Instance. Choose Next until you reach the Configure Security Group page.
  • The wizard creates a new security group according to the vendor’s specifications for the product. The security group may include rules that allow all IP addresses (0.0.0.0/0) access on SSH (port 22) on Linux or RDP (port 3389) on Windows. We recommend that you adjust these rules to allow only a specific address or range of addresses to access your instance over those ports
  • When you are ready, choose Review and Launch.
  • On the Review Instance Launch page, check the details of the AMI from which you’re about to launch the instance, as well as the other configuration details you set up in the wizard. When you’re ready, choose Launch to select or create a key pair, and launch your instance.
  • Depending on the product you’ve subscribed to, the instance may take a few minutes or more to launch. You are first subscribed to the product before your instance can launch. If there are any problems with your credit card details, you will be asked to update your account details. When the launch confirmation page displays.

Usage / Deployment Instructions

Step 1: Open Putty for SSH

Step 2: Open Putty and Type <instance public IP> at “Host Name” and Type “ubuntu” as user name Password auto taken from PPK file

Step 3: Use following Linux command to change the host.

Step 3.1: Command: sudo vi /etc/hosts

Take the Private Ip address from your machine as per the below screenshot and add the second line of your command screen with that Private ip address

Step 4: Use the following command to start Django:

Command: sudo su

Command: cd /var/www

Command: django-admin startproject django_app

Command: cd django_app

Command: python3 manage.py migrate

Note: below command will add a user to your environment and you can set a password as you like for that user.

Command: python3 manage.py createsuperuser

Command: vi django_app/settings.py

Change the “ALLOWED_HOSTS” to the public ip of your instance as shown below:

Command: python3 manage.py runserver 0.0.0.0:8000

Step 5: Hit the browser with the IP as: http://<instance public IP>:8000

Enjoy the Django environment.

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    Amazon EC2 allows you to set up and configure everything about your instances from your operating system up to your applications. An Amazon Machine Image (AMI) is simply a packaged-up environment that includes all the necessary bits to set up and boot your instance. Your AMIs are your unit of deployment. You might have just one AMI or you might compose your system out of several building block AMIs (e.g., webservers, appservers, and databases). Amazon EC2 provides a number of tools to make creating an AMI easy. Once you create a custom AMI, you will need to bundle it. If you are bundling an image with a root device backed by Amazon EBS, you can simply use the bundle command in the AWS Management Console. If you are bundling an image with a boot partition on the instance store, then you will need to use the AMI Tools to upload it to Amazon S3. Amazon EC2 uses Amazon EBS and Amazon S3 to provide reliable, scalable storage of your AMIs so that we can boot them when you ask us to do so.

    Or, if you want, you don’t have to set up your own AMI from scratch. You can choose from a number of globally available AMIs that provide useful instances. For example, if you just want a simple Linux server, you can choose one of the standard Linux distribution AMIs.

    Traditional hosting services generally provide a pre-configured resource for a fixed amount of time and at a predetermined cost. Amazon EC2 differs fundamentally in the flexibility, control and significant cost savings it offers developers, allowing them to treat Amazon EC2 as their own personal data center with the benefit of Amazon.com’s robust infrastructure.

    When computing requirements unexpectedly change (up or down), Amazon EC2 can instantly respond, meaning that developers have the ability to control how many resources are in use at any given point in time. In contrast, traditional hosting services generally provide a fixed number of resources for a fixed amount of time, meaning that users have a limited ability to easily respond when their usage is rapidly changing, unpredictable, or is known to experience large peaks at various intervals.

    Secondly, many hosting services don’t provide full control over the compute resources being provided. Using Amazon EC2, developers can choose not only to initiate or shut down instances at any time, they can completely customize the configuration of their instances to suit their needs – and change it at any time. Most hosting services cater more towards groups of users with similar system requirements, and so offer limited ability to change these.

    Finally, with Amazon EC2 developers enjoy the benefit of paying only for their actual resource consumption – and at very low rates. Most hosting services require users to pay a fixed, up-front fee irrespective of their actual computing power used, and so users risk overbuying resources to compensate for the inability to quickly scale up resources within a short time frame.

    No. You do not need an Elastic IP address for all your instances. By default, every instance comes with a private IP address and an internet routable public IP address. The private address is associated exclusively with the instance and is only returned to Amazon EC2 when the instance is stopped or terminated. The public address is associated exclusively with the instance until it is stopped, terminated or replaced with an Elastic IP address. These IP addresses should be adequate for many applications where you do not need a long lived internet routable end point. Compute clusters, web crawling, and backend services are all examples of applications that typically do not require Elastic IP addresses.

    You have complete control over the visibility of your systems. The Amazon EC2 security systems allow you to place your running instances into arbitrary groups of your choice. Using the web services interface, you can then specify which groups may communicate with which other groups, and also which IP subnets on the Internet may talk to which groups. This allows you to control access to your instances in our highly dynamic environment. Of course, you should also secure your instance as you would any other server.

    Highlights

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      Designed as a batteries-included web framework

    • icon

      It’s well-established

    • icon

      Scalability

    Application Installed

    • icon Django
    • icon java