[Unit] Description=CM4 build cloud-init image (download Raspios, inject NoCloud) After=network-online.target Wants=network-online.target [Service] Type=oneshot Environment=CM4_PROVISIONING_DIR=/var/lib/cm4-provisioning ExecStart=/opt/cm4-provisioning/build-cloudinit-image.sh # Run as root; script uses losetup, mount User=root StandardOutput=journal StandardError=journal TimeoutStartSec=7200