all: misc updates

misc/test-qemu-with-podman/test-qemu4-alpine/10-create-image.sh

@@ -0,0 +1,16 @@
+#! /usr/bin/env bash
+## vim:set ts=4 sw=4 et:
+set -e; set -o pipefail
+argv0=$0; argv0abs="$(readlink -fn "$argv0")"; argv0dir="$(dirname "$argv0abs")"
+
+# create the image from Dockerfile
+# using a rootless Podman container
+
+image=upx-test-qemu4-alpine-20230708-v1
+[[ $1 == --print-image ]] && echo "$image" && exit 0
+
+podman build --squash -t "$image" -f "$argv0dir/Dockerfile" "$argv0dir"
+
+podman image list "$image"
+echo
+podman image tree "$image"