← Glossary
What does "image" mean in programming?
image is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
A read-only template that contains everything needed to run a container: the OS, runtime, application code, and dependencies. Images are built from a Dockerfile and stored in a registry.
Example
"Build the Docker image and push it to the registry before deploying."
Related terms
Ready to practice your English at work?
Lingua-e has interactive exercises built around real developer conversations: standups, code reviews, retrospectives, and more. Practice until it comes naturally.
Try Lingua-e for free