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npx skills add ...
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SKILL.md
npx skills add hashicorp/agent-skills --skill aws-ami-builder
Build Amazon Machine Images (AMIs) with Packer using the amazon-ebs builder. Use when creating custom AMIs for EC2 instances.
npx skills add hashicorp/agent-skills --skill aws-ami-builder
Build Amazon Machine Images (AMIs) using Packer's amazon-ebs builder.
Reference: Amazon EBS Builder
Note: Building AMIs incurs AWS costs (EC2 instances, EBS storage, data transfer). Builds typically take 10-30 minutes depending on provisioning complexity.
Packer uses AWS credential resolution:
AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY~/.aws/credentialsSSH Timeout
AMI Already Exists
my-app-${local.timestamp}Volume Size Too Small
launch_block_device_mappings.volume_size accordinglysource_ami_filter {
filters = {
name = "ubuntu/images/*ubuntu-jammy-22.04-amd64-server-*"
root-device-type = "ebs"
virtualization-type = "hvm"
}
most_recent = true
owners = ["099720109477"] # Canonical
}source_ami_filter {
filters = {
name = "al2023-ami-*-x86_64"
root-device-type = "ebs"
virtualization-type = "hvm"
}
most_recent = true
owners = ["amazon"]
}source "amazon-ebs" "ubuntu" {
region = "us-west-2"
instance_type = "t3.micro"
source_ami_filter {
filters = {
name = "ubuntu/images/*ubuntu-jammy-22.04-amd64-server-*"
}
most_recent = true
owners = ["099720109477"]
}
ssh_username = "ubuntu"
ami_name = "my-app-${local.timestamp}"
# Copy to additional regions
ami_regions = ["us-east-1", "us-east-2", "eu-west-1"]
}export AWS_ACCESS_KEY_ID="your-access-key"
export AWS_SECRET_ACCESS_KEY="your-secret-key"
export AWS_REGION="us-west-2"
packer build .# Initialize plugins
packer init .
# Validate template
packer validate .
# Build AMI
packer build .
# Build with variables
packer build -var "region=us-east-1" .