What are some examples of JSON launch configurations?

Can you provide some examples of JSON launch configurations?

Sure! A JSON launch configuration typically includes parameters like instance type, AMI ID, and security groups. For example:

{
  "ImageId": "ami-12345678",
  "InstanceType": "t2.micro",
  "KeyName": "my-key-pair",
  "SecurityGroups": ["my-security-group"]
}

What other parameters can I include in a launch configuration?

You can also include parameters like "UserData" for startup scripts, "BlockDeviceMappings" for storage options, and "IamInstanceProfile" for permissions.

Can you show me an example with UserData?

Absolutely! Here's an example that includes UserData:

{
  "ImageId": "ami-12345678",
  "InstanceType": "t2.micro",
  "UserData": "IyEvYmluL2Jhc2gKc3VkbyBhcHAgc3RhcnQK"
}

This UserData runs a simple bash script on startup.

How do I create a launch configuration using the AWS CLI?

You can create a launch configuration using the AWS CLI with the following command:

aws autoscaling create-launch-configuration --launch-configuration-name my-launch-config --image-id ami-12345678 --instance-type t2.micro