Introduction

Technology is rapidly changing within a split of seconds. Cloud Computing involves revamping the whole application process of development, with few cloud vendors are presenting development tools that aid in making the process secure and reliable. 

Elastic Beanstalk deploys, scales, and enhances web-based services and applications with JAVA, Python, PHP, .NET on famous servers like Passenger, Apache, etc. Elastic Beanstalk helps a developer in deploying an application that does not require the infrastructure. Developers just have to do the coding work and upload it on the beanstalk. Thereafter, automatic data handling deployment, load balancing, provisioning capacity, health monitoring, to auto-scaling is all done by Beanstalk.

One needs to pay only for the AWS resources needed to run and store applications. No other hidden or additional charges are levied.

In this article let us look at:

  1. Advantages of Elastic Beanstalk
  2. Components of Elastic Beanstalk
  3. Elastic Beanstalk Architecture
  4. Deploying an application

1. Advantages of Elastic Beanstalk

1) Faster Deployment

Elastic Beanstalk provides its developers with the quickest and easiest mean for deploying their applications. The application is made available in a very short span of time. 

2) Multi-Tier Architecture

With multi-tier architecture, it has become possible for developers to distribute their apps on various devices. This is also done with high security and scalability.

3) Operations are simplified

AWS Elastic Beanstalk aids developers to solely focus on coding and avoid wasting time on the underlying infrastructure, the configuration of servers, databases, networks, etc. Elastic Beanstalk provisions and operates infrastructure and manages the application stalk. It will also keep the application up-to-date with the latest updates and patches. 

4) Complete Resource Control

Developers have the whole authority over the resources, and they can use them on a real-time basis. They have the freedom to take over some of the infrastructure elements by using Elastic Beanstalk’s management capabilities.

2. Components of Elastic Beanstalk

1) Application

An application combines various components like versions, environment, and environment configurations.

2) Application Version

Application Version is an upgraded configuration in the existing system. It also denotes a precise iteration of the deployable programs for an application. 

3) Environment

The environment is the platform wherein the present application remains active. It is allowed to run on consistent or varied versions in various environments.

4) Environment Tier

Elastic Beanstalk has two tiers based on requirement: Worker Environment and Web Server Environment.

3. Elastic Beanstalk Architecture

1. Web Server Environment does the job of managing HTTP invitations from the clients.

a. Beanstalk Environment –Once an environment is launched, Beanstalk plays the role of assigning numerous resources required to start the application. Hence it is also referred to as ‘the heart of the application.’

b. Elastic Load Balancer – At times when the application accepts numerous requirements from a client, Amazon Route 53 helps in advancing such requests to the Elastic Load Balancer to allocate the requests among EC2 instances of Auto Scaling Group.

c. Auto Scaling Group – Auto Scaling Group, starts additionally on Amazon EC2 cases to fulfill the enhancing load. If the load reduces, Amazon EC2 Auto Scaling ceases instances, but every time leaves a minimum of a single instance running.

d. Host Manager – Host Manager is software that runs on an EC2 instance designated to the application. The host manager has been accountable for functions like checking the application files, producing instance-level events, scrutinizing application servers.

e. Security Groups – Security Group is like the protection of a firewall. Elastic Beanstalk has a refuge troop. This allows the customers to get into the application by using HTTP Port 80. It also provides a substitute through which one can describe security groups to the database server as well. 

2. Worker Environment aids in processing background tasks that are resource and time-consuming. Additionally, it also notifies emails, produces reports, and washes up databases. 

4. Deploying an application

Following are a few simple steps for deploying an application on Beanstalk:

Step 1: Click on the ‘Create New Application’ option on the console. Thereafter give the name and description of your application in the dialogue box.

Step 2: Select the action tab’ and ‘Create Environment Option.’ Several Environments for your application can be created. 

Step 3: There are two options of Environment Tier. Select whichever suits according to need.

            a) Web Server Environment

            b) Worker Environment

Step 4: Give a domain name of the application. Also, provide a description for the same.

Step 5: Beanstalk provides multiple options for choosing a platform. One can even upload a self-made code file for the same.

Thereafter launching the environment, multiple options will be available to configure the application on the navigation pane.

Step 6: The URL will be available on the top corner towards the right side, which will ratify that the application has been successfully launched with Elastic Beanstalk.

Conclusion

Cloud Computing is well established and is serving as an innovative platform, allowing organizations to implement applications that would be difficult to deliver on traditional infrastructure. AWS Elastic Beanstalk can be configured to be load balanced so that the number of instances is used can increase with more demand and decline with demand going down.

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