Creating a High Availability Architecture with AWS CLI

Problem Statement

✳️Create High Availability Architecture with AWS CLI

✳️The architecture includes-

⭕ Webserver configured on EC2 Instance

⭕Document Root(/var/www/html) made persistent by mounting on EBS Block Device.

⭕Static objects used in code such as pictures stored in S3

⭕Setting up Content Delivery Network using CloudFront and using the origin domain as S3 bucket.

⭕Finally place the Cloud Front URL on the webapp code for security and low latency.

All the above steps must be performed using AWS CLI

Solution Steps:-

Step1:- Download AWS CLI and configure it.

Step2:- Start an instance

Step3:- Create an EBS volume and then attach it to the instance.

Step4:- Now attach the volume to the instance.

Before using this attached volume , it must be partitioned and formatted first.

Step5:- PARTITIONING :

press enter (it will be first partition only)

press enter (it will be counting the space from initial sector)

w (save the partition and exit)

Step6:- FORMAT the partition with ext4 :

Step7:- Now Install httpd server using yum command

Step8:- Start the httpd service:

Check the status of the service:

Step9:- Now , Mount the /var/www/html folder to the created partition of the EBS volume

To check the web server configuration create a small code and access it through the webUI

NOTE : save the code in /var/www/html directory.

Step10:- Create a S3 bucket and upload some objects there.

Step11:- Add an image as an object in the bucket.

Step12:- Now create a cloud Front distribution with the origin as above bucket.

Step13:- Add the domain name of the cloud front distribution in the html file 

Now open the web.html page in browser.

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