Immaġini Docker image hija template read-only (applikazzjoni ppakkjata bil-dipendenza tagħha); container hija instanza running ta' immaġini. Ir-relazzjoni hija bħal klassi u oġġett: immaġini waħda tista' twellid ħafna kontejners.
Immaġini versus kontejners
IMAGE → a read-only TEMPLATE: the app + dependencies + config, built in layers
(like a blueprint/class; stored, shared, versioned)
CONTAINER → a RUNNING INSTANCE of an image (with a writable layer on top)
(like an object created from a class; has runtime state)
One IMAGE → many CONTAINERS (run the same image multiple times)
