Add fully automated Debian 13 LUKS encrypted Template build

debian/13-trixie/debian-trixie.pkr.hcl

@@ -74,6 +74,7 @@ source "proxmox-iso" "debian-13-trixie" {
   boot_command = [
     "<wait3>c<wait3>",
     "linux /install.amd/vmlinuz auto-install/enable=true priority=critical ",
+    "INSTALL_FINISHED_INFORM_URL='http://{{ .HTTPIP }}:${var.install_finished_inform_port}/install_finished' ",
     "DEBIAN_FRONTEND=text preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed.cfg noprompt<enter>",
     "initrd /install.amd/initrd.gz<enter>",
     "DEBCONF_DEBUG=5<enter>",

debian/13-trixie/http/preseed.cfg

@@ -153,7 +153,12 @@ d-i grub-installer/bootdev string default
 # 2) Enable root ssh login (same intent as your original)
 d-i preseed/late_command string \
   lvremove -f /dev/vg0/reserved || true; \
-  in-target sed -i 's/^#PermitRootLogin .*/PermitRootLogin yes/' /etc/ssh/sshd_config || true
+  in-target sed -i 's/^#PermitRootLogin .*/PermitRootLogin yes/' /etc/ssh/sshd_config || true; \
+  in-target curl -X POST "$INSTALL_FINISHED_INFORM_URL"
+
+# Eject the installation media before rebooting
+d-i cdrom-detect/eject boolean true
+d-i cdrom-detect/eject seen true
 
 ### Finish
 d-i finish-install/reboot_in_progress note

debian/13-trixie/variables.pkr.hcl

@@ -68,6 +68,12 @@ variable "proxmox_node" {
   description = "The Proxmox node to use for building the image"
 }
 
+variable "install_finished_inform_port" {
+  type        = string
+  default     = "10000"
+  description = "The server port to inform when installation is finished"
+}
+
 
 
 # local values