title: Docker Image file details
body: <p>Is a Docker Image file equivalent to a manifest file which contains pointers to what is present inside the Docker Image - aka the different layers - the amalgamation of which is the Docker Image </p>
  
  <p>OR </p>
  
  <p>Is a docker image file a monolithic image housing all the different layers within it and not necessarily pointing to different sub layers?</p>