| awk -F": " '{print $3}' | sed "s:'::;s:'$::;/^$/d" | sort -u)"
mapfile -t images < <(for R in "${cfg_images[@]}" "${yaml_images[@]}" ; do echo "$R" ; done | sort -u)
| awk -F": " '{print $3}' | sed "s:'::;s:'$::;/^$/d" | sort -u)"
mapfile -t images < <(for R in "${cfg_images[@]}" "${yaml_images[@]}" ; do echo "$R" ; done | sort -u)