---
kind: pipeline
name: build-test-publish

platform:
  os: linux
  arch: amd64

steps:
- name: build
  image: spritsail/docker-build
  pull: always
  settings:
    use_cache: true
    repo: busybox-dev

- name: test
  image: busybox-dev
  pull: never
  commands:
  - set -ex
  - ldconfig -p
  - "test -f /lib/libc-*.so"
  - nslookup cloudflare.com
  - "test $(date +%Z) = UTC"
  - test $(echo This is a test string | md5sum | cut -f1 -d\ | tee /dev/stderr) = b584c39f97dfe71ebceea3fdb860ed6c

- name: publish
  pull: always
  image: spritsail/docker-publish
  settings:
    from: busybox-dev
    repo: spritsail/busybox
    tags:
    - latest
    - "%label io.spritsail.version.busybox"
  environment:
    DOCKER_PASSWORD:
      from_secret: docker_password
    DOCKER_USERNAME:
      from_secret: docker_username
  when:
    branch:
    - master
    event:
    - promote

---
kind: signature
hmac: 91a213eb8dd33d761da3dabb4fb6d4b05bdbf55ea47ba40c1e9770a5dafbcecb

...