Create Auto Scaling Group

Create Auto Scaling Group

  1. In interfatce of EC2, choose Auto scaling group at sidebar, then click Create auto scaling group.

  2. In the interface of creating ASG:

    • Name fill in WebTierASG
    • Launch template choose WebTier-LaunchTemplate
    • Scroll downw and click Next

  3. In the interface of configuring Network:

    • VPC: my-vpc
    • AZs and subnets choose Public Subnet 1 and Public Subnet 2
    • Click Next

  4. In the next configuration interface:

    • Load balancing choose Attach to an existing load balancer
    • Choose Choose from your load balancer target group then choose WebTierTargetGroup
    • Scroll downw and click Next

  5. In the next configuration interface:

    • Desired capacity: 2
    • Min desired capacity: 2
    • Max desired capacity: 2
    • Scroll downw and click Next
    • Next to the last step then click Create auto scaling group

  6. Finish creating ASG:

  7. After creating ASG successfully, 2 new ec2 instances will be created:

  8. Now we can open web by DNS name of web-tier-external-lb