Auto Scaling Launch Configurations
- It is an instance configuration template
- Auto Scaling group uses to launch EC2 instances.
- Need ot specify information for instances.
- Information includes
- ID of Amazon Machine Image (AMI)
- instance type
- key pair
- one or more security groups
- block device mapping
- Can specify single launch configuration with multiple Auto Scaling groups.
- Can only specify one launch configuration for an Auto Scaling group at a time,
- Can’t modify launch configuration after it is created.
- If launch configuration is to be changed, create another and update Auto Scaling group with it.
- To create an Auto Scaling group, any one is needed
- launch configuration
- launch template
- EC2 instance
