AKS Today – Choosing a Base Image

We recommend using [official images](https://hub.docker.com/search?q=&type=image&image_filter=official) from Docker Hub. These images have been curated to provide the key languages, runtimes, [best practices](https://docs.docker.com/engine/userguide/eng-image/dockerfile_best-practices/) and security updates.

Considering your image will be copied to the container registry and downloaded numerous times through the deployment pipeline, it is important to keep your image sizes small. In general, you want to pick a base image that will meet your application dependency needs, but is small in size.