What is Docker and Docker Containers? What are they? Explain like I’m 5

Allow me to tell you a story that takes place many years ago. Long ago, before there were such things as containers, large corporations like Walmart, Target, and Chase Bank, to name a few, were required to take precautions to ensure that their businesses never went offline because they were dependent on technology. As a consequence of this, they would buy servers, then buy additional servers, and then the process would continue, which would ultimately lead to an overallocation of resources. At the time, businesses believed that doing business in this manner would be more efficient because it would allow them to make better use of the costly resources that they had acquired by allowing them to run additional applications independently within the same bare metal server environment. This was a really neat experience.

Fast forward to modern-day containerization, and we have Docker, a fantastic technology. Docker is great because, for one thing, it’s extremely lightweight, and we won’t have the issues of having these crazy to configure virtual machine images that are…