"docker-compose exec service bash" Alias with auto complete for ZSH

function dce()
{

	docker-compose exec "$1" bash
	}

function _dce()
{
services=$(docker-compose config --services 2>/dev/null)
if [ -z $services ]; then
echo "This is not a valid Docker Compose folder"
else
  _arguments "1: :($services)"
fi

}

compdef _dce dce