Docker uses virtualization technology which in turn makes developing and deploying containerized applications a breeze! Virtualization allows the container to be deployed on any machine without any compatibility issues. So it makes your software simple to develop, deploy, use and maintain. Docker Containers are, however, different from a typical virtual machine in that they act as micro-services, each with specific jobs. Each Docker container runs the operating system on isolated CPU processes, memory and network resources. Because of this, you can be easily added, remove, start and stop it again without affecting the host operating system. Containers usually run one specific task such as MySQL database or Node.js application and network it together to scale them.