# Easy way to reuse a docker container by a name.
#
# It automatically shares its exposed ports on the host machine which you can
# view by running `docker port [container-name]`.
#
# Example: ez postgres project_name
#          ez postgres:9.6.0 project_name
ez() {
	if [[ $# -lt 2 ]] ; then
		echo 'An image and a container name are required.'
		echo 'docker-postgres [image-name:version] [container-name]'
	else
		container_image="$1"
		container_name="ez_$(echo "$2" | sed -e 's/[^a-zA-Z0-9_.-]/_/g')_$(echo "$1" | sed -e 's/[^a-zA-Z0-9_.-]/_/g')"
		output=$(docker ps --filter "label=ez" --filter "name=$container_name" -a -q)

		if [[ "$output" == "" ]] ; then
			docker run -i -t -P --name $container_name --label ez $container_image
		else
			docker start -a -i $container_name
		fi
	fi
}