# Check if image env var is set and if so export the env var with image to use (used by docker compose files)
# arg: <app-short-name> <target-variable-name> <image-variable-name> <image-tag-variable-name> <tag-suffix> <image name> <target-platform>
__check_and_create_image_var() {
# Check if image env var is set and if so export the env var with image to use (used by docker compose files)
# arg: <app-short-name> <target-variable-name> <image-variable-name> <image-tag-variable-name> <tag-suffix> <image name> <target-platform>
__check_and_create_image_var() {