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What is Docker

1. OVERVIEW

Docker is the company driving the container movement and the only container platform provider to address every application across the hybrid cloud. Today’s businesses are under pressure to digitally transform but are constrained by existing applications and infrastructure while rationalizing an increasingly diverse portfolio of clouds, datacenters and application architectures. Docker enables true independence between applications and infrastructure and developers and IT ops to unlock their potential and creates a model for better collaboration and innovation.

Docker is a tool that allows developers, sys-admins etc. to easily deploy their applications in a sandbox (called containers) to run on the host operating system i.e. Linux. The key benefit of Docker is that it allows users to package an application with all of its dependencies into a standardized unit for software development. Unlike virtual machines, containers do not have the high overhead and hence enable more efficient usage of the underlying system and resources.

MODERN APP PLATFORM

The Docker platform is the only container platform to build, secure and manage the widest array of applications from development to production both on premises and in the cloud. Docker Community Edition [CE] empowers developers with tools to build applications and Docker Enterprise Edition [EE] provides IT with multi-architecture operations at scale. Docker delivers both an engine for innovation that modernizes without disruption while reducing total costs by more than 50%. Unlike other solutions that specialize in a narrow slice of the enterprise IT portfolio, Docker delivers operations at scale by addressing a diverse set of applications and infrastructure for both developers and IT.

Why should I use Docker?

Docker’s rise has been nothing short of meteoric. Although containers by themselves are not a new technology, it was not until Docker arrived that they started to get mainstream attention. By providing standard APIs that made containers easy to use and creating a way for the community to collaborate around libraries of containers, Docker has radically changed the face of the technology landscape.

Google Trends for Docker and Vagrant:trend-docker-vagrant

 

In addition to Docker’s continual growth, Docker, Inc., the developer behind Docker has been valued at over a billion dollars! Due to its benefits of efficiency and portability, Docker has been gaining mind share rapidly, and is now leading the Containerization movement. As developers going out into the world, it is important that we understand this trend and see how we can benefit from it.

What will this tutorial teach me?

This tutorial aims to be the one-stop shop for getting your hands dirty with Docker. Apart from demystifying the Docker landscape, it’ll give you hands-on experience with building and deploying your own webapps on the Cloud. We’ll be using Amazon Web Services to deploy a static website, and two dynamic webapps on EC2 using Elastic Beanstalk and Elastic Container Service. Even if you have no prior experience with deployments, this tutorial should be all you need to get started.

How to using Docker for Development Environment ?

1. Setting up your computer

Getting all the tooling setup on your computer can be a daunting task, but thankfully as Docker has become stable, getting Docker up and running on your favorite OS has become very easy.

Until a few releases ago, running Docker on OSX and Windows was quite a hassle. Lately however, Docker has invested significantly into improving the on-boarding experience for its users on these OSes, thus running Docker now is a cakewalk. The getting started guide on Docker has detailed instructions for setting up Docker on Mac, Linux and Windows, more info.

Once you are done installing Docker, test your Docker installation by running the following command: docker run hello-world

docker-running-hello-world

2. Create DockerFile With Your Project:

Please waiting at next article,….

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