meta-digi-containers: add dey-image-container-manager image

Add the dey-image-container-manager image recipe to provide a
dedicated DEY image for container management using the trimmed LXC
and Podman runtimes from meta-digi-containers.

https://onedigi.atlassian.net/browse/DEL-9996

Signed-off-by: Isaac Hermida <isaac.hermida@digi.com>

meta-digi-containers/recipes-core/images/dey-image-container-manager.bb

@@ -0,0 +1,85 @@
+#
+# Copyright (C) 2026, Digi International Inc.
+#
+DESCRIPTION = "Minimal DEY container manager image"
+
+LICENSE = "MIT"
+
+IMAGE_LINGUAS = ""
+
+inherit image
+inherit dey-image
+inherit features_check
+
+REQUIRED_DISTRO_FEATURES = "virtualization"
+
+# Keep machine recommendations in sync with the BSP.
+CONTAINER_MANAGER_MACHINE_EXTRA_RRECOMMENDS_EXCLUDE = " \
+	${MACHINE_FIRMWARE} \
+	${UDEV_EXTRA_RULES} \
+"
+
+# Remove kernel-image-* from the list, as adding them
+# explicitly breaks STM rootfs generation.
+CONTAINER_MANAGER_MACHINE_EXTRA_RRECOMMENDS = "${@' '.join( \
+	dict.fromkeys( \
+		pkg for pkg in d.getVar('MACHINE_EXTRA_RRECOMMENDS').split() \
+		if not pkg.startswith('kernel-image-') \
+		and pkg not in d.getVar( \
+			'CONTAINER_MANAGER_MACHINE_EXTRA_RRECOMMENDS_EXCLUDE').split()))}"
+
+# Device core support
+CORE_ESSENTIALS = " \
+	base-files \
+	base-passwd \
+	bluez5-init \
+	busybox \
+	ca-certificates \
+	cryptodev-module \
+	firmwared \
+	libubootenv-bin \
+	udev \
+	${MACHINE_ESSENTIAL_EXTRA_RDEPENDS} \
+	${MACHINE_EXTRA_RDEPENDS} \
+	${CONTAINER_MANAGER_MACHINE_EXTRA_RRECOMMENDS} \
+	${MACHINE_FIRMWARE} \
+	${UDEV_EXTRA_RULES} \
+	${VIRTUAL-RUNTIME_init_manager} \
+"
+
+# Tools and libraries
+CORE_TOOLS = " \
+	bluez5 \
+	dropbear \
+	ethtool \
+	init-ifupdown \
+	iproute2 \
+	iw \
+	libdigiapix \
+	libgpiod \
+	libgpiod-tools \
+	ncurses-terminfo-base \
+	netbase \
+	networkmanager \
+	networkmanager-nmcli \
+	networkmanager-wifi \
+	os-release \
+	openssl \
+	packagegroup-dey-audio \
+	sysinfo \
+	vsftpd \
+"
+
+# Tools to manage containers
+CONTAINER_MANAGEMENT = " \
+	lxc-trimmed \
+	podman-trimmed \
+"
+
+NO_RECOMMENDATIONS = "1"
+
+IMAGE_INSTALL = " \
+	${CORE_ESSENTIALS} \
+	${CORE_TOOLS} \
+	${CONTAINER_MANAGEMENT} \
+"