AWS Autoscaling

• Tutorial: Set up a scaled and load-balanced application

Creating an environment manually

1. SecurityGroup alb-sg

   • allow tcp/80 from 0.0.0.0/0
   • allow tcp/443 from 0.0.0.0/0

2. SecurityGroup alb-2-app-sg

   • allow tcp/80 from self
   • allow tcp/443 from self

3. TargetGroup

4. LoadBalancer (pointing to TargetGroup)

5. LaunchTemplate

6. Autoscalinggroup

   • Add to sg alb-2-app-sg
   • register ASG with TG
   • use Default version from

Using a custom image

1. create separate instance
2. connect via SSH
3. install the nginx web server
4. in EC2 create image
5. modify to use new image
6. start instance refresh

Add a database

1. SG app-2-db

2. create instance

3. copy connection information around

   • follow aws-autoscaling.md#Using a custom image to recreate image
     and renew instances

[aws-autoscaling.md#Using a custom image]: <#Using a custom image> "AWS Autoscaling"