#!/bin/sh

if [ "$1" == "" ]; then
	echo "  Usage: images-from <stack-name>"
	exit 1
fi

if [ "$DOCKER_DIR" == "" ]; then
	echo "  DOCKER_DIR env variable was not specified, using 'dev' instead"
	export DOCKER_DIR=dev
fi

function images_from {
    awk '$1=="image:"{print $2}' ${DOCKER_DIR}/docker-compose.$1.yml
}

images_from $1