```bash
set -a
source ./.env
set +a

packer init .
packer fmt -recursive .
packer validate .
PACKER_LOG=1 packer build -on-error=ask -timestamp-ui .
```

```bash
lsblk -o NAME,SIZE,TYPE,MOUNTPOINT
sudo fdisk -l /dev/sda | sed -n '1,120p'
cloud-init status --long
```