diff --git a/preeseed.cfg b/preeseed.cfg
new file mode 100644
index 0000000..7a3c1b9
--- /dev/null
+++ b/preeseed.cfg
@@ -0,0 +1,92 @@
+# Preseed file for Debian Bookworm
+
+# Localization
+d-i debian-installer/locale string en_US.UTF-8
+d-i keyboard-configuration/xkb-keymap select de
+d-i debian-installer/country string ES
+d-i debian-installer/language string en
+d-i debian-installer/locale string en_US.UTF-8
+d-i localechooser/supported-locales multiselect en_US.UTF-8
+
+# Set timezone to Europe/Madrid
+d-i time/zone string Europe/Madrid
+
+# Network configuration
+d-i netcfg/choose_interface select auto
+d-i netcfg/disable_autoconfig boolean true
+
+# Partitioning for /dev/sda (GPT)
+d-i partman-auto/disk string /dev/sda
+d-i partman-auto/method string regular
+d-i partman-auto/init_automatically_partition select GPT
+d-i partman-auto/expert_recipe string                         \
+      boot-root ::                                            \
+              100 10000 -1 ext4                              \
+                      $primary{ }                             \
+                      method{ format } format{ }              \
+                      use_filesystem{ } filesystem{ ext4 }    \
+                      mountpoint{ }                           \
+              .
+
+d-i partman-auto/disk string /dev/sdb
+d-i partman-auto/method string regular
+d-i partman-auto/init_automatically_partition select GPT
+d-i partman-auto/disk string /dev/sdc
+d-i partman-auto/method string regular
+d-i partman-auto/init_automatically_partition select GPT
+d-i partman-auto/disk string /dev/sdd
+d-i partman-auto/method string regular
+d-i partman-auto/init_automatically_partition select GPT
+d-i partman-auto/disk string /dev/sde
+d-i partman-auto/method string regular
+d-i partman-auto/init_automatically_partition select GPT
+
+# RAID setup for /dev/sdb, /dev/sdc, /dev/sdd, /dev/sde
+d-i partman-auto/disk string /dev/sdb /dev/sdc /dev/sdd /dev/sde
+d-i partman-auto/method string raid
+d-i partman-auto-raid/recipe string                         \
+      5 4 0 ext4                                            \
+              /dev/sdb#/dev/sdc#/dev/sdd#/dev/sde            \
+      .
+
+# Partitioning for /dev/sdf
+d-i partman-auto/disk string /dev/sdf
+d-i partman-auto/method string regular
+d-i partman-auto/init_automatically_partition select GPT
+d-i partman-auto/expert_recipe string                         \
+      root ::                                                 \
+              10000 10000 -1 ext4                             \
+                      $primary{ }                             \
+                      method{ format } format{ }              \
+                      use_filesystem{ } filesystem{ ext4 }    \
+                      mountpoint{ / }                         \
+                      options/relatime{ relatime }            \
+              .
+
+# Root password
+d-i passwd/root-password-crypted password $6$rounds=65000$.9zCcdv3/C92ylu4$RcFCf3h2Yjt0NK3JkqodyXQHw7yGucQbQew5qAXcUmMAZg.YPaeW9Hg3G7geavVKYAB5QmtXyrOaBHWLUqjjm/
+
+# Package selection
+tasksel tasksel/first multiselect standard, ssh-server
+d-i pkgsel/include string firmware-linux-nonfree
+
+# Use backports repository
+d-i apt-setup/backports boolean true
+
+# Do not use source repositories
+d-i apt-setup/use_source boolean false
+
+# Bootloader installation
+d-i grub-installer/only_debian boolean true
+d-i grub-installer/with_other_os boolean false
+d-i grub-installer/bootdev string /dev/sdf
+
+# Avoid asking questions about CD-ROM
+d-i cdrom-detect/eject boolean true
+d-i cdrom-detect/cdrom-detect select no
+
+# Install security updates automatically
+d-i pkgsel/update-policy select unattended-upgrades
+
+# Finish installation
+d-i finish-install/reboot_in_progress note