Docker Engine

Docker Engine comprises of three components -

   

        Docker Daemon - background process that manages docker object such as network, storage, containers, volumes.

        REST API - API interface that can provide instructions to Docker Daemon.

        Docker CLI - Command line interface that can provide instructions to Docker Daemon.

              

It is not always mandatory to have Docker CLI on the same machine of th Docker Engine. Below is an example of remote Docker Engine -

              

Command to use remote Docker Engine :

        docker -H={remote-docker-engine-host}:{port}