{

"builders": [
  {
    "access_key": "{{user `aws_access_key`}}",
    "ami_name": "{{user `ami_tag`}} {{timestamp}}",
    "associate_public_ip_address": true,
    "ena_support": true,
    "instance_type": "c5.large",
    "launch_block_device_mappings": [
      {
        "delete_on_termination": true,
        "device_name": "/dev/sda1",
        "volume_size": 8,
        "volume_type": "gp2"
      }
    ],
    "region": "us-east-1",
    "ami_regions": ["us-east-1", "eu-central-1"],
    "run_tags": {
      "kind": "packer",
      "role": "AMI builder"
    },
    "secret_key": "{{user `aws_secret_key`}}",
    "source_ami": "{{user `source_ami`}}",
    "ssh_interface": "public_ip",
    "ssh_username": "ubuntu",
    "subnet_id": "{{user `subnet_id`}}",
    "tags": {
      "Name": "{{user `ami_tag`}}",
      "created_at": "{{isotime}}",
      "parent_ami": "{{user `source_ami`}}"
    },
    "type": "amazon-ebs",
    "vpc_id": "{{user `vpc_id`}}"
  }
],
"post-processors": [],
"provisioners": [
  {
    "cookbook_paths": [
      "cookbooks",
      "site-cookbooks"
    ],
    "run_list": [
      "{{user `cookbook_name`}}"
    ],
    "skip_install": true,
    "type": "chef-solo"
  }
],
"variables": {
  "ami_tag": "",
  "aws_access_key": "",
  "aws_secret_key": "",
  "cookbook_name": "",
  "source_ami": "",
  "subnet_id": "",
  "vpc_id": ""
}

}