Docker

By:- Prateek Bhatt & Sagar Kushwah

What is Docker?

Docker is a platform to create, install and operate applications using containers. Those containers allow the developer to assemble an application with all of its components such as libraries. In other way, Docker is like a virtual machine, but instead of building a whole operating system, Docker allows applications to use the same OS kernel as the system running on. Docker gives a boost to performance of system and reduces the size of the application. Docker is open-source, it means that anyone can connect to Docker and use it according to their needs.

What is a Container?

A container contains applications to keep them isolated from the host operating system. If you want to run services in a container, then you need to install Docker to host and manage containerization services.

For whom is Docker useful?

Docker is best platform for developers and system administrators. Docker helps developers to run multiple programs without taking care of their system configuration. And for system administrators, Docker offers flexibility and a lesser number of systems required due to its high performance and isolated applications.

Docker is an upgraded version of Virtual machine?

Lightweight architecture and less resource-intensive features make it a better option than a virtual machine. As a consequence, the containers can start up very quickly compared to virtual machines, and the use of the resources varies depending on the load or traffic in the container. Also, Docker has a high-level performance than Virtual Machine.

How to download and install ‘Docker’ in Windows? (Step by Step): -

Tap on “Get Docker” to download it. After installation login to Docker.

 

            Open Docker’s official website with link-: https://www.Docker.com and tap on ‘Get Started’.

                 Tap on ‘Download for windows’ to download Docker for windows interface

                                          

Docker will install soon on your Windows interface.

Why Docker is best for OS virtualization?

There are many software like OpenVZ, HyperV, etc. which are same as Docker, but Docker is best among all the software because there are 83% of containers tha.t are made with Docker software. Docker enables developers to conveniently prepare, ship and run any application as a lightweight, portable, self-sufficient container, that can run virtually anywhere. It is free to use, which is a key feature of Docker containers.

What's the key difference between Docker and AWS?

Docker is a virtual environment that allows Linux or Windows systems to run in an isolated container. It is commonly used for the creation and deployment of applications. In other hand, AWS has unique tools designed to ease the delivery of complex systems.

Why to use Docker?

As we all know that it is an optimized version of a virtual machine and it works on the concept of containerization. Applications installed in a Docker work in isolation, which improves the performance of the system. Docker-based architecture is literally standardization of applications. Docker provides repeatable development, design, testing and production environments to its users. Boot time of Docker is lesser than Virtual Machines.

References-:  Turnbull James, The Docker book: Containerization is the new virtualization, 2014.