What does "Docker image" mean in programming?
Docker 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 used to create containers, built from a Dockerfile. Images are stored in a registry and pulled to run containers. Each image is made up of stacked read-only layers.
Example
"Pull the latest Node.js Docker image before building your app container."
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