Docker Installation

What is Docker? Docker is a set of platform as a service products that use OS-level virtualization to deliver software in packages called containers. Containers are isolated from one another and bundle their own software, libraries and configuration files; they can communicate with each other through well-defined channels. What is Docker Engine? Docker Engine is a client-server application with these major components: A server which is a type of long-running program called a daemon process (the dockerd command).