packer.json

{
  "variables": {
    "BASE_USER": "butler",
    "FS_DEVICE_NAME": "/dev/xvdb",
    "FS_DEVICE_SIZE": "20"
  },
  "builders": [
    {
      "type": "amazon-ebs",
      "name": "aws",
      "region": "us-east-1",
      "source_ami_filter": {
        "filters": {
          "virtualization-type": "hvm",
          "name": "Moby Linux * stable",
          "root-device-type": "ebs"
        },
        "most_recent": true
      },
      "instance_type": "t2.micro",
      "ami_block_device_mappings": [
        {
          "device_name": "{{user `FS_DEVICE_NAME`}}",
          "volume_size": "{{user `FS_DEVICE_SIZE`}}",
          "volume_type": "gp2",
          "delete_on_termination": true
        }
      ],
      "launch_block_device_mappings": [
        {
          "device_name": "{{user `FS_DEVICE_NAME`}}",
          "volume_size": "{{user `FS_DEVICE_SIZE`}}",
          "volume_type": "gp2",
          "delete_on_termination": true
        }
      ],
      "ssh_username": "docker",
      "ami_name": "oufti-lab-{{timestamp}}"
    }
  ],
  "provisioners": [
    {
      "type": "file",
      "source": "./docker",
      "destination": "/tmp"
    },
    {
      "type": "shell",
      "execute_command": "{{ .Vars }} sudo -E -S /bin/sh '{{ .Path }}'",
      "inline": [
        "apk add --no-cache py-pip",
        "pip install docker-compose",
        "mv /tmp/docker /docker",
        "cd /docker;docker-compose build",
        "docker build -t launcher /docker",
        "docker run -d -t --restart=unless-stopped -v /var/run/docker.sock:/var/run/docker.sock launcher"
      ]
    }
  ]
}