Tekton Hello-world

pipeline.yaml

apiVersion: tekton.dev/v1alpha1
kind: Task
metadata:
  name: say-hello
spec:
  inputs:
    params:
    - name: who
      description: who to say hello
      default: kitty
  steps:
  - name: say hello
    image: alpine
    command:
    - /bin/echo
    args:
    - "Hello ${inputs.params.who}"
---
apiVersion: tekton.dev/v1alpha1
kind: Pipeline
metadata:
  name: demo-pipeline
spec:
  tasks:
  - name: say-hello-world
    taskRef:
      name: say-hello
    params:
    - name: who
      value: world
---
apiVersion: tekton.dev/v1alpha1
kind: PipelineRun
metadata:
  name: demo-pipeline-run-1
spec:
  pipelineRef:
    name: demo-pipeline
  serviceAccount: 'default'