Docker Understanding

1.What is Docker?
Docker is a platform used for developing and running your application. It separates our application form our system infrastructure so that we can deliver our application fast.

2.What is Container?
Containers are the from of os which is used to run small applications to larger applications. It is a running instance of a docker image. It is a package that contains all the elements to run any software in any environment.

3.How is docker works?
Docker contains docker images which are present in the docker repo. That image is used to run any application , Image contains all the dependencies required for the application to run .

4.How is container works?
Container is infrastructure independent and contains all the dependencies for the application to run after we run the docker image.

5.Components of Docker?
Docker engine
Docker image
Docker file
Docker Registry
Docker container
Docker compose