lxd buster image build script

#!/bin/bash
folder="buster-znc"
packages="wget curl znc python3"

mkdir /tmp/$folder
debootstrap buster /tmp/$folder
cat << EOF | chroot /tmp/$folder 
apt-get install $packages -y
exit
EOF

tar -cvzf $folder.tar.gz -C /tmp/$folder .

cat <<EOT >> metadata.yaml
architecture: "x86_64"
creation_date: $(date +%s)
properties:
description: "Debian old stable (buster) with preconfigured python3 and znc"
os: "debian"
release: "buster"
EOT

tar -cvzf $folder-metadata.tar.gz metadata.yaml

/snap/bin/lxc image delete buster-znc
/snap/bin/lxc image import $folder-metadata.tar.gz $folder.tar.gz --alias $folder

cat << EOT >> data.yml
auto_update: false
properties: {}
public: true
expires_at: 1970-01-01T01:00:00+01:00
profiles:
- default
EOT

/snap/bin/lxc image edit $folder < data.yml