What is Docker, Advantages & Installation

Greeting Everyone! Hope Everything is going good Today we are going to Look On What Is Docker Why We Use Docker  And How Successfully Install Docker Into Your System.

What Is docker?

Docker Project which Contain A open source community That gives environment to Utilize Tools, os, set of platform as a service products that use OS-level virtualization. Now a days Docker Container which consist more virtualization in Real world which help an Organization, I.T Infrastructure which make work more easy.  Docker consist cli Based Configuration . Docker Containers are isolated from one another and bundle their own software, libraries and configuration files; they can communicate with each other through well-defined channel.

Docker Inc. was founded by Solomon Hykes and Sebastien Pahl  launched in 2011. Hykes started the Docker project in France as an internal project within dotCloud, a platform-as-a-service company .

What is docker Image container?

Docker Containers are a standardized Infrastructure of software application  that allows developers to isolate their app from its environment which contain Particular Infrastructure. Container Are basically  packages code and dependencies together.

Docker Container It Founded On 2013 as an open source Docker Engine.

Advantage Of Docker?

Isolation: A Docker container that contains one of your applications also includes the relevant versions of any supporting software that your application requires here we can Use Without any Troubleshoot the issue which consist Isolation On System.

Scalability : Create Multiple container Quickly and Deploy Your multiple Infrsatructure.

Performance : Although virtual machines are an alternative to containers, the fact that containers do not contain an operating system (whereas virtual machines do) means that containers have much smaller footprints than virtual machines, are faster to create, and quicker to start.

  1. Get Pgp key for docker we used curl to get key

curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add –

      2. Now Configure apt for install / update docker

echo ‘deb [arch=amd64] https://download.docker.com/linux/debian buster stable’ | sudo tee /etc/apt/sources.list.d/docker.list

      3.Now to install docker run command:

            sudo apt install docker-ce –y

Now we have successfully Installed Docker .

     4. To Run docler container run command :

           sudo systemctl start docker

   5. now simply run command -> docker to verify installation.

Now We have successfully Installed Docker Container As above picture we see,

Conclusion: Today we Learned what is docker & container How to Install docker For Now In next Blog we will discuss How To Use Docker Container With Images Of Infrastructure. See You In Next Blog.

Thanks For Reading……. See You In Another Blog!

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Author : Pallab Jyoti Borah | VAPT Analyst

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