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Which type of container images only contains the application and its runtime dependencies?

  1. Standard images

  2. Distroless images

  3. Heavy images

  4. Base images

The correct answer is: Distroless images

Distroless images are designed specifically to contain only the application and its essential runtime dependencies, without any additional operating system or unnecessary components. This minimalist approach improves security and performance by reducing the attack surface and minimizing the size of the image. Unlike standard or heavy images, which may include a full operating system and various utilities that are not necessary for the application to run, distroless images streamline the deployment process by focusing solely on what is needed to execute the application. Base images also typically contain a minimal operating system along with some predefined tools, which again makes them broader than the scope of a distroless image. The use of distroless images is particularly appealing in cloud-native environments where efficiency and security are paramount, making them a preferred choice for production-ready applications.