Because we want to run some program in it.Let's think in this way - Why we need OS ? Note : I will talk about the basics of Docker at first, so that anyone who's reading this blog can learn this amazing tool. There’s limitless possibilities Container Technology has but in this blog I gonna talk about one of the very much interesting possibility of Docker Container that is we gonna run GUI applications like firefox, gedit etc.

In fact nowadays Container Technology is so powerful that we can even setup entire Private Cloud Computing in it. We can setup multi node clusters using Container like Kubernetes Cluster, Storage Cluster, Database Cluster, Compute Cluster, Network Cluster etc. Today container technology is so powerful that it can do each & everything we want.Means thousands of Techy guys started implementing new new ideas on Docker & it also started improving over the years. In the mean time Docker also started improving & the biggest profit Docker had at that time was - It was an open-source product.Industry started booming & every company started implementing DevOps solutions like Container Technology. Previously when it was taking 10 to 15 minutes to configure & setup a server on VM or over Cloud Computing, there Docker was able to launch the entire OS with pre-configured server in just 1 or 2 seconds.On 2013, Solomon Hykes introduced the biggest innovation of decades called Docker & within 2 years docker & container technology became the most demanding technology in the Industry.

Centos 8 docker