The thing that I find very cool about Docker containers is called SETI using your desktop and downloading noise from outer space, looking for alien communication signals. More than the aliens, I was amazed that a distributed system which relies on absolutely no availability of the remote machines could actually work effectively. If you want to learn Docker I would suggest you must take up the following Docker Training Course. Here is an awesome video tutorial which I would suggest you must watch to learn its in-depth concepts. .