1.Components of Docker and its Brief Summary by Johnson

Components of docker are

• Docker engine
• Docker registry
• Docker image
• Docker container

Docker engine

Docker engine is a command-line and it is interact with docker daemon. When we run docker commands the instructions sends to the daemon and perform operation by other components.

Docker registry

Docker registry is a hosted service where the docker images are stored. We can create an repository and store our own images also. It has both private and public repositories.

Docker image.

Docker image is a template that contains instructions for the Docker container. This image built in YAML language and it is hosted by docker registry.

Docker container

Docker container is a light weight virtual machine and is an executable package of applications and its dependencies to run an application.