{
    "builders": [{
        "type": "amazon-ebs",
        "ami_name": "packer-test {{timestamp}}",
        "instance_type": "t2.micro",
        "region": "us-east-1",
        "ssh_username": "ubuntu",
        "ssh_remote_tunnels": ["8443:ifconfig.co:443"],
        "source_ami": "ami-0111e8c43a763eb71",
        "tags": {
            "packer-test": "true"
        }
    }],
    "provisioners": [{
        "inline": [
            "curl -kvs --connect-to ifconfig.co:443:localhost:8443 https://ifconfig.co/"
        ],
        "type": "shell"
      }
    ]
  }