> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/security-testing-orchestration/use-sto/sto-scanner-configuration/shared/step-palette/target/auto-detect/container-image.md).

# Container Image

When **Auto** is enabled for container images, the step detects the target and variant using the **Container Image Name** and **Tag/Digest** defined in the step or runtime input.