immutable.json

{
    "variables": {
        "gc_disk_size": "10",
        "gc_disk_type": "pd-standard",
        "gc_image_description": "baked by packer - Andrey Susoev",
        "gc_machine_type": "f1-micro",
        "gc_network": "default",
        "gc_project_id": null,
        "gc_zone": "europe-west1-c"
    },
    "builders": [
        {
            "type": "googlecompute",
            "disk_size": "{{user `gc_disk_size`}}",
            "disk_type": "{{user `gc_disk_type`}}",
            "image_description": "{{user `gc_image_description`}}",
            "image_name": "reddit-full-{{timestamp}}",
            "image_family": "reddit-full",
            "machine_type": "{{user `gc_machine_type`}}",
            "network": "{{user `gc_network`}}",
            "project_id": "{{user `gc_project_id`}}",
            "source_image_family": "reddit-base",
            "ssh_username": "appuser",
            "zone": "europe-west1-c"
        }
    ],
    "provisioners": [
        {
            "type": "file",
            "source": "files/puma.service",
            "destination": "/tmp/puma.service"
        },
        {
            "type": "shell",
            "script": "scripts/deploy.sh",
            "execute_command": "sudo {{.Path}}"
        }
    ]
}