create ami with packer

my_ami.json

{
  "variables": {
    "aws_access_key": "{{env `AWS_ACCESS_KEY_ID`}}",
    "aws_secret_key": "{{env `AWS_SECRET_ACCESS_KEY`}}"
  },

  "builders": [
    {
      "type": "amazon-ebs",
      "access_key": "{{user `aws_access_key`}}",
      "secret_key": "{{user `aws_secret_key`}}",
      "region": "ap-northeast-1",
      "source_ami": "ami-89634988",
      "instance_type": "t2.micro",
      "ssh_username": "centos",
      "ssh_timeout": "10m",
      "ssh_pty": true,
      "ami_name": "my_ami {{timestamp}}"
    }
  ],

  "provisioners": [
    {
      "type": "shell",
      "inline": [
        "sudo yum -y update"
      ]
    }
  ]
}

ami-89634988 : centos7 (official)

export access key 💥

export AWS_ACCESS_KEY_ID="XXXX"
export AWS_SECRET_ACCESS_KEY="YYYY"

build 🔨

$ packer build my_ami.json

⬇️　⬇️　⬇️