How to Set Up Blue Green Deployment on an EC2 Instance for an Angular Application Using AWS CodeDeploy Pipeline with GitHub [Part - 2 ]

Description: In this previous blog, we'll walk through setting up a In-placed standalone EC2 instance deployment. In this blog we are going to design Deployment strategy for an Angular application hosted on Amazon EC2 instances with auto-scaling and load balancer with in-placed and blue green deployment

 

  

 

 

 Step-1 Setup AMI image for auto-scaling

First step is to setup image for the auto-scaling, So we are going to use same machine, as we have setup in previous blog for standalone deployment.

In the existing machine I am going to remove all the content from the webroot       [/var/www/my-angular]

 

After cleaning the web-root directory, create the AMI image from the AWS console

Fill the details and click on create

Once image created and available in image list

Step2: Setup Auto-scaling Group and Launch template

Navigate to Auto-Scaling Group  --> Create Auto Scaling Group

Create launch template, select the image which we have created. Also define instance type, key and security group.

Once all the details filled click on create launch template, it shows the output as follow

Select the launch template from the list 

select vpc and subnets

Create load balancer and attached it to auto-scaling group. Load balancer is internet-facing

Define the scaling capacity as I have defined as follow

min: 2
Desired:2
max: 3 

Review and create the auto-scaling group

We forgot to add IAM role, So create new version of template and add it 

after create the version edit in template and change it

 

 

 

 

Once version updated, delete the existing machine and wait for new instance launch

Step3: Create application and deployment group with auto-scaling 

Navigate to CodeDeploy -->Deploy --> Application --> Create Application

 

After create application, create the deployment group

Fill all require details

Select the load balancer and click on create deployment group

Step4: Change the deployment group in pipeline

 

Save the pipeline and Release change. After completion of pipeline you get the result

 

Browse the load balancer url, you will get the output

Step5: Deploy application using  Bule-green deployment

For blue-green deployment create application
 

 Create deployment group for blue-green

Set environment configuration

Change Deployment Settings and create deployment group

Once the deployment group created, Edit it deployment stage and change it to blue-green deployment and save it

After change release the change it We can get the list of additional instance in deployment

After instance update, the new instance replacement

Once all the thing validate we can terminate the old instance