Container vs Image

Feature	Docker Image	Docker Container
What it is	A blueprint / template for running applications	A running instance of an image
State	Read-only	Read–write
Created from	Dockerfile or another image	Docker image
Can be modified	No	Yes
Purpose	Used to create containers	Runs applications
Lifecycle	Built → Stored → Shared	Created → Running → Stopped → Removed
Example	ubuntu:24.04	my_ubuntu