.drone.yml

pipeline:

  # Walhall requires git tags to exactly match the image tags. This step preserves the tags.
  preserve-git-tags:
    image: bash
    commands:
      # Check if the commit reference is a tag, if it is write the tag to the .tags file
      - bash -c "[[ \"${DRONE_COMMIT_REF}\" == \"refs/tags/\"* ]] && echo \"${DRONE_COMMIT_REF#refs/tags/}\" > .tags"
    when:
      event: [tag]

  # This step builds the image and pushes it to the registry.
  # Drone is configured to use the Walhall registry by default, so no need to change anything.
  build-docker-image-tag:
    image: plugins/docker
    registry:
      from_secret: DOCKER_REGISTRY
    repo:
      from_secret: DOCKER_REPO
    username:
      from_secret: DOCKER_USERNAME
    password:
      from_secret: DOCKER_PASSWORD
    insecure: true
    file: Dockerfile
    when:
      event: [tag]
      status: [success]