Lets starts with some introductory part, Docker, represented by a logo with a friendly Whale....ha ha ha you are reading it correctly....I said "Friendly Whale"...joke aside, Docker is nothing but an open source project that gives an ease to deploy an software application in an software container. Talking about its basic functionality which is nothing but, resource isolation.....with a user-friendly API... Connecting with Analogy........ The basic idea behind docker, it could be explained using simple analogy. Let us consider Transport industry, let us think that goods in the goods industry have to be transported by different means like domestic-lifts, trucks, cranes, ships etc. These goods comes in different size, shapes and have different storing requirements. Traditionally and if talk more about historically, it was a painful process which fully depends on manual intervention on each and every transit points for loading and unloading. It all changed with an sudden evol