Sorry, it's a more advanced technology, and even many programmers are not familiar with it. I will explain it to you in a simpler way. Docker is like a box where I write my code inside. Then, I can run this box on any machine. Usually, there is a common problem where code runs on my machine but not on another machine. This happens due to differences in tool versions or system configurations. However, with Docker, this issue does not occur because everything needed to run the code is packaged inside the Docker container.