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CloudFormation In AWS

In this article, we will discuss CloudFormation in AWS.

Purpose

Consider an example, where you have a requirement for creating the same infrastructure elements like S3 bucket, EC2, load balancer etc. for the client. You have 2 options to accomplish the task

Create the same infrastructure components manually everywhere
Use CloudFormation

CloudFormation automates the creation of infrastructure elements.

Steps

In this article, we will work on the following steps

Create and save the template
Create a stack with the template

So, let’s get started.

Create And Save The Template

First, search the word "cloudformation" in the search box. Click on the "CloudFormation" services from the search result.

Picture showing the cloudformation service in the search result of the AWS console

Click to Enlarge

The CloudFormation screen will appear. Click on the "Create stack" button.

Picture showing the create stack button for creating the new infrastructure automation

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In the create stack screen, select the radio button "Create template in Designer".

Picture showing selecting the Create template in Designer radio button

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Click on the "Create template in designer" button. The designer screen will appear.

Picture showing dragging and dropping the S3 bucket on the designer screen

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Drag and drop the resource. For this article, we are dragging and dropping the S3 bucket on the designer.

Once done, save the template

Picture showing the Save menu for saving the template

Click to Enlarge

A popup window will appear to specify the location. For this article, we are saving the template file locally.

Click to Enlarge

Create A Stack With The Template

Now again go back to the stack creation screen and this time, select the radio button "Template is ready". Upload the template file and click on the "Next" button.

Picture showing creating the cloud formation by using template

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In the next screen, enter the "Stack name" and click on the "Next" button.

Picture showing the screen for specifying the stack name

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In the next screen, do not change anything and click on the "Next" button.

Picture showing the advanced options screen while creating the stack

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In the next screen, click on the "Create stack" button.

Picture showing the Create stack button for creating the new stack

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The resource creation will start.

Picture showing the status of stack creation as in progress

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Once the resource is created, you will see the success event.

Picture showing the status of stack creation as completed

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The S3 bucket is created.

Picture showing the creation of S3 bucket using the cloud formation in AWS

Click to Enlarge

Posted By -	Karan Gupta

Posted On -	Friday, November 19, 2021

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