Learning the basics of Docker
Docker is an open source containerization platform that allows developers to build, deploy, and manage containerized applications. Before we get into the concepts of Docker, let us learn a few concepts that will build the foundation:
- Virtualization – The concept of virtualization has been around since the 1970s. It is the process of running virtual instances of different operating systems/software in a virtual layer that is abstracted from the actual hardware.
Consider an analogy of 10 bungalows in an area, where each bungalow has its own amenities that cannot be shared with the neighbors. All the owners live in their bungalows and are limited by the area allocated to them. They can do anything in their bungalow but do not have access to their neighbor’s bungalow. Figure 11.1 shows an example of what virtualization means using a virtual machine.
Figure 11.1: Concept of Virtual machine using virtualization...
