You've probably heard of Docker—even if you've never used it. It's incredibly popular at the moment and is being used/adopted by many companies. Docker is a tool that allows you to manage your applications using a type of virtualization known as containerization. Applications are bundled into containers and can be hosted in the cloud or using your own hardware. There are various tools used to manage Docker containers such as Docker Swarm and Kubernetes.
Docker was released in March 2015 by Solomon Hykes. Its current release is 18.06.1 and it is written using the Go programming language. It can run on Windows, Linux, and macOS.
Docker belongs to the same virtualization family as Vagrant, VMWare, and VirtualBox. It also belongs to the same provisioning and infrastructure family as Chef, Puppet, and Ansible.
There are many benefits from using Docker over other virtualization software. It's mainly a lightweight and faster alternative because it runs in a different way from...