Script to make a Debian 12 template on Proxmox based on its cloud image

pve-make-debian-template.sh

#!/bin/bash

# download the image
wget https://cloud.debian.org/images/cloud/bookworm/latest/debian-12-generic-amd64.qcow2

# create a new VM
qm create 9012 --name bookworm --memory 2048 --net0 virtio,bridge=vmbr0

# import the downloaded disk to local-lvm storage
qm importdisk 9012 debian-12-generic-amd64.qcow2 local-lvm

# finally attach the new disk to the VM as scsi drive
qm set 9012 --scsihw virtio-scsi-pci --scsi0 local-lvm:vm-9012-disk-0

# add cloud-init config
qm set 9012 --ide2 local-lvm:cloudinit
qm set 9012 --boot c --bootdisk scsi0
qm set 9012 --serial0 socket --vga serial0

# make it a template
qm template 9012