apiVersion: tekton.dev/v1alpha1
kind: TaskRun
metadata:
  generateName: step-by-digest-
spec:
  taskSpec:
    steps:
    # Step images can be specified by digest.
    - image: busybox@sha256:1303dbf110c57f3edf68d9f5a16c082ec06c4cf7604831669faf2c712260b5a0
      # NB: command is not set, so it must be looked up from the registry.
      args: ['-c', 'echo hello']
