packer_ami.json

{
  "variables": {
    "aws_access_key": "{{env `AWS_ACCESS_KEY_ID`}}",
    "aws_secret_key": "{{env `AWS_SECRET_ACCESS_KEY`}}",
    "region": "{{env `AWS_DEFAULT_REGION`}}",
    "framework": null,
    "source_ami": null,
    "instance_type": "m3.large",
    "name": "amzn-base"
  },
  "builders": [{
    "type": "amazon-ebs",
    "access_key": "{{user `aws_access_key`}}",
    "secret_key": "{{user `aws_secret_key`}}",
    "region": "{{user `region`}}",
    "source_ami": "{{user `source_ami`}}",
    "instance_type": "{{user `instance_type`}}",
    "ssh_username": "ubuntu",
    "ami_name": "{{user `name`}}-{{timestamp}}"
  }],
  "provisioners": [
    {
      "type": "shell",
      "inline": ["sleep 10"]
    },
    {
      "type": "file",
      "source": "target-machine",
      "destination": "/tmp"
    },
    {
      "type": "shell",
      "script": "setup-base"
    },
    {
      "type": "shell",
      "script": "{{user `framework`}}"
    }

  ]
}