What is Docker? Docker is an open source centerlized Platform designed to Create, Deploy and run applications. Docker use container on the host OS to run applications. It allows application to use the same linux Kernal as a System on the host computer, rather than creating a whole virtual OS. We can install docker on any OS but Docker engine run natively on linux distribution. Docker written in 'go' language. Docker is a tool that perform OS level virtualization, also known as Containerization. Before Docker, many users faces the problem that a particular Code is running in the developer's system but not in the User's System. Docker was first Release in March 2013. It is developed by Soloman Hykes and Sebastion Pahl. Docker is a set of Platform as a service that uses OS level Virtualization whereas VMware uses Hardware level Virtualization. We can say that Docker is a tools which create the VM. Advantages of Docker :- There are following advantage of Docker : No pre-a...