Right, and the goal is to be able to easily deploy the same thing. Every time you SSH into a server and install something, you may not be getting the same packa

Right, and the goal is to be able to easily deploy the same thing. Every time you SSH into a server and install something, you may not be getting the same packages due to updates or packages becoming unavailable. If you’re using an image, most likely you can easily tear stuff down and re-deploy it. Also you’ve got the code used to build the image and can modify it if necessary.