WHY USE DOCKER ?
WE NEED TO INSTALL THE DOCKER SOFTWARE THAT IS ABLE TO HOST THE DOCKER IMAGE LOAD THE PRE CONFIGURED DOCKER IMAGE INTO THE DOCKER SOFTWARE. MANAGE THE DOCKER IMAGE BY DOCKER SOFTWARE INSTALLED. FOR EVERY OS WE HAVE DOCKER SOFTWARE THAT CAN HOST ANY DOCKER IMAGE SAME DOCKER IMAGE CAN BE LOADED ON DIFFERENT OS HAVING THEIR VERSION OF DOCKER SOFTWARE INTALLED ON THEM. DOCKER IS LIKE A LIGHT WEIGHT VM ON YOUR MAIN OS DOCKER IS LIKE A LIGHT WEIGH MINI OS ON YOUR MAIN OS WE RUN OUR APPLICATION IN THAT VM/MINI OS. WE INSTALL ALL THE DEPENDENCIES OF APPLICATION IN THAT MINI OS/VM THIS MINI OS/VM IS EASILY SHIPABLE TO NEW MACHINES ON NEW MACHINES WE DO NOT NEED TO WORRY ABOUT THE 1- DEPENDENCIES OF APPLICATION AS THEY ARE PRE PACKAGED IN DOCKER 2- CONFIGURAITONS OF THE APPLICATION AS THEY ARE THERE AND MAPPED TO THE DEPENDICES INSIDE CONTAINER. SO WE SHIP THE APPLICATION WITH ALL ITS ENVIROMENT TO THE NEW OS. WE DO NOT HAVE TO INSTALL DEPEDENCES ON TARGET MA...