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Autoscaling Group With AWS Elastic Load Balancing

cedon profile image Carlos Nogueira ・1 min read

If you want to deploy an Autoscaling EC2 infrastructure on AWS using ELB, you'll need to follow this steps:

  1. Launch EC2 Instance
    • EC2 Dashboard > Launch Instance
    • Configure your web app
  2. Transform into AMI
    • Select Instance > Action > Image > Create Image
    • Instance > Delete EC2 Instantes
    • Delete Security Group created with the Instance
  3. Deploy AMI across different zones
    • Load Balancer > Create Load Balancer > Application Load Balancer
    • Select Zones
  4. Configure Secure Groups
    • Create New Secure Group
  5. Configure Target Groups
    • Define a Target Group name
  6. Launch Configurations
    • Choose the AMI created early
    • Define Launch Configuration name
    • Allow traffic just to the Load Balancer Security Group
  7. Configure the Autoscaling Group
    • Autoscaling Group > Create Autoscaling Group
    • Define Name
    • Group Size
    • Choose the subnets
    • Choose Target Groups
    • Health Check Type: ELB
  8. Define the Scaling Policies
    • Create Increase and Decrease Alarms
    • Set Notifications

The Autoscaling Group will launch the AMI instances based on the Increase/Decrease alarms and the minimal requirements.

References

Elastic Load Balancing - https://aws.amazon.com/elasticloadbalancing/
Elastic Compute Cloud - https://aws.amazon.com/ec2/

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