packer-ebs.json

{
    "variables": {
        "profile"             : "{{env `AWS_PROFILE`}}",
        "region"              : "{{env `AWS_REGION`}}",
        "build_vpc"           : "{{env `VPC_ID`}}",
        "build_subnet"        : "{{env `SUBNET_ID`}}",
        "build_instance_type" : "{{env `AWS_INSTANCE_TYPE`}}",
        "source_ami"          : "{{env `AWS_SOURCE_AMI`}}",
        "distribution"        : "Amazon Linux",
        "distribution_user"   : "{{env `AWS_AMI_USER`}}",
        "cookbook_version"    : "0.0.0"
    },
    "builders": [{
        "type"                         : "amazon-ebs",
        "force_deregister"             : true,
        "force_delete_snapshot"        : true,
        "associate_public_ip_address"  : true,
        "profile"                      : "{{user `profile`}}",
        "region"                       : "{{user `region`}}",
        "vpc_id"                       : "{{user `build_vpc`}}",
        "subnet_id"                    : "{{user `build_subnet`}}",
        "instance_type"                : "{{user `build_instance_type`}}",
        "source_ami"                   : "{{user `source_ami`}}",
        "ssh_username"                 : "{{user `distribution_user`}}",
        "ami_name"                     : "my-packer-ami-{{timestamp}}",
        "ami_description"              : "cron {{user `distribution`}} with php7.0,nginx",
        "ami_users"                    : [ "11100001000", "2220300003333", "4550666666" ],
        "tags": {
            "Name"             : "vendor-my-instance",
            "cookbook_version" : "{{user `cookbook_version`}}",
            "SourceAmi"        : "{{user `source_ami`}}"
        },
        "run_tags"                     : {
            "Name"      : "Packer Builder Instance",
            "cookbook_version" : "{{user `cookbook_version`}}",
            "SourceAmi"        : "{{user `source_ami`}}"
        }
    }],
    "provisioners": [
        {
            "type": "shell",
            "inline": ["yum update && yum -y install curl"]
        }
    ]
}