If you're a programmer you must have heard about the 'Virtual Machine'. It Isolates an application into the self-contained unit with its dependencies. Similarly 'Docker' is the most popular and helpful tool amongst the developers for packaging, shipping, and running applications.
What is Docker?
Docker is an open-source project for simplifying and automating the project deployment of applications as a portable containers that can run easily on servers. Docker was first introduced in 2013 as an open source project named 'dotCloud'. The key benefit of it is that it allows users to create a package of its application with all of its dependencies in a unit (Container) for software development. Unlike
Containers and Virtual machines share their goal that is to isolate an application and its dependencies.
The main concept which makes difference between the containers and VM is that containers share their host system's kernel with other containers.
Why Docker is getting popular ??
Docker is also easy to update any minor to major changes into its application. you can install docker easily from here