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builds-output-image-digest.adoc

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Output image digest

Built images can be uniquely identified by their digest, which can later be used to pull the image by digest regardless of its current tag.

Source-to-Image (S2I) builds store the digest in Build.status.output.to.imageDigest after the image is pushed to a registry. The digest is computed by the registry. Therefore, it may not always be present, for example when the registry did not return a digest, or when the builder image did not understand its format.

Built Image Digest After a Successful Push to the Registry
status:
  output:
    to:
      imageDigest: sha256:29f5d56d12684887bdfa50dcd29fc31eea4aaf4ad3bec43daf19026a7ce69912