packer config to create aws ami with docker and jenkins pre-installed

docker-jenkins-us-east-2.json

{
  "variables": {
    "aws_access_key": "",
    "aws_secret_key": ""
  },
  "builders": [{
    "type": "amazon-ebs",
    "access_key": "{{user `aws_access_key`}}",
    "secret_key": "{{user `aws_secret_key`}}",
    "region": "us-east-2",
    "source_ami": "ami-618fab04",
    "instance_type": "t2.medium",
    "ssh_username": "ubuntu",
    "ami_name": "jenkins-docker-{{timestamp}}"
  }],
  "provisioners": [{
    "type": "shell",
    "inline": [
      "sleep 30",
      "sudo apt-get install -y apt-transport-https ca-certificates curl software-properties-common",
      "curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -",
      "wget -q -O - https://pkg.jenkins.io/debian/jenkins.io.key | sudo apt-key add -",
      "echo 'deb [arch=amd64] https://download.docker.com/linux/ubuntu xenial stable' | sudo tee -a /etc/apt/sources.list",
      "echo 'deb https://pkg.jenkins.io/debian binary/' | sudo tee -a /etc/apt/sources.list",
      "sudo apt-get update",
      "sudo apt-get install -y docker-ce",
      "sudo apt-get install -y jenkins",
      "sudo usermod -G docker -a ubuntu",
      "curl -L https://github.com/docker/compose/releases/download/1.13.0/docker-compose-`uname -s`-`uname -m` > ~/docker-compose",
      "sudo cp ~/docker-compose /usr/local/bin/docker-compose",
      "sudo chmod a+x /usr/local/bin/docker-compose"
    ]
  }]
}