Use latest AMI ID from SSM

Author: farski

spire/templates/shared-ecs/asg-aarch64.yml

@@ -11,21 +11,11 @@ Description: >-
 
 Parameters:
   kStagingImageId:
-    Type: AWS::EC2::Image::Id
-    # Update this value to change which AMI the launch template uses. You can
-    # find the latest image ID here:
-    # https://us-east-1.console.aws.amazon.com/systems-manager/parameters/aws/service/ecs/optimized-ami/amazon-linux-2023/arm64/recommended/image_id
-    # You can see the full version and other information about that image here:
-    # https://us-east-1.console.aws.amazon.com/systems-manager/parameters/aws/service/ecs/optimized-ami/amazon-linux-2023/arm64/recommended
-    Default: ami-08b476084597865a0 # al2023-ami-ecs-hvm-2023.0.20241217-kernel-6.1-arm64
+    Type: AWS::SSM::Parameter::Value<AWS::EC2::Image::Id>
+    Default: /aws/service/ecs/optimized-ami/amazon-linux-2023/arm64/recommended/image_id
   kProductionImageId:
-    Type: AWS::EC2::Image::Id
-    # Update this value to change which AMI the launch template uses. You can
-    # find the latest image ID here:
-    # https://us-east-1.console.aws.amazon.com/systems-manager/parameters/aws/service/ecs/optimized-ami/amazon-linux-2023/arm64/recommended/image_id
-    # You can see the full version and other information about that image here:
-    # https://us-east-1.console.aws.amazon.com/systems-manager/parameters/aws/service/ecs/optimized-ami/amazon-linux-2023/arm64/recommended
-    Default: ami-08b476084597865a0 # al2023-ami-ecs-hvm-2023.0.20241217-kernel-6.1-arm64
+    Type: AWS::SSM::Parameter::Value<AWS::EC2::Image::Id>
+    Default: /aws/service/ecs/optimized-ami/amazon-linux-2023/arm64/recommended/image_id
   ########
   EnvironmentType: { Type: String }
   RegionMode: { Type: String }