What is Docker? Docker is the world's leading software container platform. Docker is a tool designed to make it easier to deploy and run applications by using containers. Containers allow a developer to package up an application with all of the parts it needs, such as libraries and other dependencies, and ship it all out as one package. Where does Docker operate? Design Development Deployment Testing/Release Docker makes the process of application deployment very easy and efficient and resolves a lot of issues related to deploying applications. Build app lication only once: An application inside a container can run on any system that has Docker installed. So there is no need to build and configure application multiple times on different platform. More Sleep and Less Worry With Docker you test your application inside a container and ship it inside a container. This means the environment in which you test is identical to the one on which the app...