Docker

Docker is very handy and nice tool which can be used to maintain different version of your projects. It can be very handy to manage your projects and make it easy to run your files onto someone else machine/OS. It's very easy to deploy app once your project is containerized.

Basic commands

docker --version handy command to check the version of your docker
docker system df This command can be useful to see memory usage by docker and to see overall statistics about your images and containers

Installation

You can refer docker official website for setting up docker in your system.