Make it non-root by default, and set XEN_TARGET_ARCH=ppc64 too.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
---
CC: Anthony PERARD <anthony.perard@vates.tech>
CC: Juergen Gross <jgross@suse.com>
CC: Roger Pau Monné <roger.pau@citrix.com>
CC: Jan Beulich <JBeulich@suse.com>
CC: Stefano Stabellini <sstabellini@kernel.org>
CC: Julien Grall <julien@xen.org>
CC: Oleksii Kurochko <oleksii.kurochko@gmail.com>
CC: Shawn Anastasio <sanastasio@raptorengineering.com>
---
 .../build/debian/bookworm-ppc64le.dockerfile  | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 automation/build/debian/bookworm-ppc64le.dockerfile

diff --git a/automation/build/debian/bookworm-ppc64le.dockerfile b/automation/build/debian/bookworm-ppc64le.dockerfile
new file mode 100644
index 000000000000..3b311e675ef5
--- /dev/null
+++ b/automation/build/debian/bookworm-ppc64le.dockerfile
@@ -0,0 +1,36 @@
+# syntax=docker/dockerfile:1
+FROM --platform=linux/amd64 debian:bookworm-slim
+LABEL maintainer.name="The Xen Project"
+LABEL maintainer.email="xen-devel@lists.xenproject.org"
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV CROSS_COMPILE=powerpc64le-linux-gnu-
+ENV XEN_TARGET_ARCH=ppc64
+
+RUN <<EOF
+#!/bin/bash
+    set -e
+
+    useradd --create-home user
+
+    apt-get -y update
+
+    DEPS=(
+        # Xen
+        bison
+        build-essential
+        checkpolicy
+        flex
+        gcc-powerpc64le-linux-gnu
+        python3-minimal
+
+        # Qemu for test phase
+        qemu-system-ppc
+    )
+
+    apt-get -y --no-install-recommends install "${DEPS[@]}"
+    rm -rf /var/lib/apt/lists/*
+EOF
+
+USER user
+WORKDIR /build
-- 
2.39.2