.drone.yml

#
# Drone pipeline to build Docker image.
#

kind: pipeline
type: docker
name: default

steps:

- name: build-only
  image: plugins/docker
  settings:
    repo: ${DRONE_REPO_NAMESPACE}/${DRONE_REPO_NAME##docker-}
    build_args:
    - DOCKER_IMAGE_VERSION=drone-ci
    dry_run: true
  when:
    ref:
      exclude:
      - refs/tags/v*

- name: set-docker-tags
  image: alpine
  commands:
  # Always tag the Docker image with the Git tag (i.e. vX.Y.Z).
  - printf "${DRONE_TAG}" >> .tags
  # Tag the Docker image with with 'latest' only if not a prerelease.
  - printf "${DRONE_TAG}" | grep -q '-' || printf ",latest" >> .tags
  when:
    ref:
    - refs/tags/v*

- name: build-and-push
  image: plugins/docker
  settings:
    repo: ${DRONE_REPO_NAMESPACE}/${DRONE_REPO_NAME##docker-}
    username:
      from_secret: dockerhub_username
    password:
      from_secret: dockerhub_password
    build_args:
    - DOCKER_IMAGE_VERSION=${DRONE_TAG:1}
  when:
    ref:
    - refs/tags/v*

- name: push-dockerhub-readme
  image: jlesage/drone-push-readme
  settings:
    repo: ${DRONE_REPO_NAMESPACE}/${DRONE_REPO_NAME##docker-}
    username:
      from_secret: dockerhub_username
    password:
      from_secret: dockerhub_password
    readme: DOCKERHUB.md
  when:
    ref:
    - refs/tags/v*

- name: microbadger
  image: plugins/webhook
  settings:
    urls:
      from_secret: microbadger_webhook
  failure: ignore
  when:
    ref:
    - refs/tags/v*

- name: notification
  image: plugins/pushover
  settings:
    message: "{{ repo.owner }}/{{ repo.name }}#{{ truncate build.commit 8 }} ({{ build.branch }}) by {{ build.author }} - {{ build.message }}"
    token:
      from_secret: pushover_token
    user:
      from_secret: pushover_user
  failure: ignore
  when:
    event:
      exclude:
      - pull_request
    status:
    - success
    - failure