Docker is a great way to kind of, kind of learn rit of best practices and those stub of things absently. You can go very far without knowing that. One of the best s you want to do is only one run, one process inside of a container. And iman m i use container and image sometimes interchangeably. But so er is just a running image. Your class is your image, and then your object is your container. So containers an instance of runnin and i inter use em interchangeably all the time.