What is Docker and How to used.

What is Docker and Containerization 

    Container is like a virtual Machine 

    Docker is tool which create this V.M.

What is Virtualization : -

    It is the technic of spitting a physical Resources into as many logical resources as e want eg CPU, Memory, or virtualizations is a technology that transform hardware into software 

Create Virtual Machine Means : -

(Notes :  Docker is a advance version of virtualization. )

Difference between Docker , EC2(cloud), and Docker Container

Hypervisor:-

is a peace of software and firmware that create and run virtual machine . Hyper is something also called a virtual machine.

Hypervisor is a type 1 

DEFINATION OF DOCKER

Docker is an open source centralization platform design to create deploy and run application.

Hardware level virtualization :- 

        used host hardware and reserve a memory and hardware

  O.S level virtualization :-

                used host os for creating virtualization 

 

Important notes:-

        Docker used Docker hub for polling os image only 5% and 95% used a host operating system that's why docker is lightweight.