diff --git a/build/debian/build.sh b/build/debian/build.sh
new file mode 100755
index 0000000..aabbe58
--- /dev/null
+++ b/build/debian/build.sh
@@ -0,0 +1,92 @@
+#!/bin/bash
+
+# This is a script to build a Debian image that can run in a VM created via AVF.
+# TODOs:
+# - Support x86_64 architecture
+# - Add Android-specific packages via a new class
+# - Use a stable release from debian-cloud-images
+
+show_help() {
+	echo Usage: $0 [OPTION]... [FILE]
+	echo Builds a debian image and save it to FILE.
+	echo Options:
+	echo -h         Pring usage and this help message and exit.
+}
+
+check_sudo() {
+	if [ "$EUID" -ne 0 ]; then
+		echo "Please run as root."
+		exit
+	fi
+}
+
+parse_options() {
+	while getopts ":h" option; do
+		case ${option} in
+			h)
+				show_help
+				exit;;
+		esac
+	done
+	if [ -n "$1" ]; then
+		built_image=$1
+	fi
+}
+
+install_prerequisites() {
+	apt install --no-install-recommends --assume-yes \
+		ca-certificates \
+		debsums \
+		dosfstools \
+		fai-server \
+		fai-setup-storage \
+		fdisk \
+		make \
+		python3 \
+		python3-libcloud \
+		python3-marshmallow \
+		python3-pytest \
+		python3-yaml \
+		qemu-utils \
+		udev
+}
+
+download_debian_cloud_image() {
+	local ver=master
+	local prj=debian-cloud-images
+	local url=https://salsa.debian.org/cloud-team/${prj}/-/archive/${ver}/${prj}-${ver}.tar.gz
+	local outdir=${debian_cloud_image}
+
+	mkdir -p ${outdir}
+	wget -O - ${url} | tar xz -C ${outdir} --strip-components=1
+}
+
+run_fai() {
+	local ver=bookworm
+	local cspace=${debian_cloud_image}/config_space/${ver}
+	local out=${built_image}
+
+	fai-diskimage \
+		--verbose \
+		--size 2G \
+		--class BASE,DEBIAN,NOCLOUD,ARM64,LINUX_VERSION_BASE+LINUX_VARIANT_CLOUD,BOOKWORM,BUILD_IMAGE,SYSTEM_BOOT \
+		--cspace ${cspace} \
+		${out}
+}
+
+clean_up() {
+	rm -rf ${workdir}
+}
+
+set -e
+trap clean_up EXIT
+
+built_image=image.raw
+workdir=$(mktemp -d)
+debian_cloud_image=${workdir}/debian_cloud_image
+
+check_sudo
+parse_options $@
+install_prerequisites
+download_debian_cloud_image
+run_fai