cosign_copy.md

cosign copy

Copy the supplied container image and signatures.

cosign copy [flags]

Examples

  cosign copy <source image> <destination image>

  # copy a container image and its signatures
  cosign copy example.com/src:latest example.com/dest:latest

  # copy the signatures only
  cosign copy --sig-only example.com/src example.com/dest

  # overwrite destination image and signatures
  cosign copy -f example.com/src example.com/dest

Options

      --allow-insecure-registry                                                                  whether to allow insecure connections to registries. Don't use this for anything but testing
      --attachment-tag-prefix [AttachmentTagPrefix]sha256-[TargetImageDigest].[AttachmentName]   optional custom prefix to use for attached image tags. Attachment images are tagged as: [AttachmentTagPrefix]sha256-[TargetImageDigest].[AttachmentName]
  -f, --force                                                                                    overwrite destination image(s), if necessary
  -h, --help                                                                                     help for copy
      --k8s-keychain                                                                             whether to use the kubernetes keychain instead of the default keychain (supports workload identity).
      --sig-only                                                                                 only copy the image signature

Options inherited from parent commands

      --output-file string   log output to a file
  -t, --timeout duration     timeout for commands (default 3m0s)
  -d, --verbose              log debug output
  -y, --yes                  skip confirmation prompts for non-destructive operations

SEE ALSO

• cosign - A tool for Container Signing, Verification and Storage in an OCI registry.