packer.json

{
  "variables": {
    "aws_access_key": "",
    "aws_secret_key": "",
    "environmentName": "dev",
    "region": "{{env `AWS_REGION`}}"
  },
  "builders": [
    {
      "type": "amazon-ebs",
      "vpc_filter": {
        "filters": {
          "tag:Name": "vpc-{{user `environmentName`}}",
          "isDefault": "false"
        }
      },
      "subnet_filter": {
        "filters": {
          "tag:Name": "wordpress-vpc-{{user `environmentName`}}/VPC/Public-Subnet1"
        },
        "most_free": true,
        "random": false
      },
      "region": "{{user `AWS_REGION`}}",
      "source_ami_filter": {
        "filters": {
          "virtualization-type": "hvm",
          "architecture": "x86_64",
          "name": "*amzn2-ami-hvm-2.0*-x86_64-gp2",
          "root-device-type": "ebs"
        },
        "owners": [
          "137112412989"
        ],
        "most_recent": true
      },
      "source_ami": "{{user `ami`}}",
      "instance_type": "t2.small",
      "ssh_username": "ec2-user",
      "ami_name": "uchicago-mysql-{{timestamp}}",
      "run_tags": {
        "Name": "packer-build-mysql"
      },
      "tags": {
        "Name": "wordpress-mysql-db",
        "Type": "uchicago-mysql"
      }
    }
  ],
  "provisioners": [
    {
      "type": "shell",
      "execute_command": "{{ .Vars }} sudo -E /bin/bash '{{ .Path }}'",
      "environment_vars": [
        "MYSQL_ROOT_PASSWORD={{user `mysqlRootPassword`}}"
      ],
      "scripts": [
        "install_mysql.sh"
      ]
    }
  ],
  "post-processors": [
    {
      "type": "manifest",
      "output": "manifest.json",
      "strip_path": true
    }
  ]
}