kind: pipeline
type: docker
name: ci

# Enable BuildKit globally (docker plugin will pick this up)
environment:
  DOCKER_BUILDKIT: 1

steps:
  - name: test-and-jar
    image: gradle:8.10.2-jdk21
    environment:
      # Put the Gradle cache on a mounted volume
      GRADLE_USER_HOME: /drone/.gradle
    volumes:
      - name: gradle-cache
        path: /drone/.gradle
    commands:
      - gradle --version
      # Single invocation -> one dependency resolution, better cache reuse
      - gradle --no-daemon clean test bootJar

  - name: build-image
    image: plugins/docker
    settings:
      registry: rubble.se:5000
      repo: rubble.se:5000/hemhub/api
      dockerfile: Dockerfile
      username:
        from_secret: docker_username
      password:
        from_secret: docker_password
      # Keep your tags as-is
      tags:
        - ${DRONE_BRANCH/\//-}-${DRONE_COMMIT_SHA:0:7}
        - latest
      # Enable BuildKit and add traceability labels (OCI standard)
      buildkit: true
      labels:
        org.opencontainers.image.source: ${DRONE_GIT_HTTP_URL}
        org.opencontainers.image.revision: ${DRONE_COMMIT_SHA}
        org.opencontainers.image.created: ${DRONE_BUILD_FINISHED}
        org.opencontainers.image.version: ${DRONE_TAG:-${DRONE_COMMIT_SHA:0:7}}
    when:
      branch:
        include: [ main, develop ]
      event:
        include: [ push, pull_request, tag ]

  - name: publish-tag
    image: plugins/docker
    settings:
      registry: rubble.se:5000
      repo: rubble.se:5000/hemhub/api
      dockerfile: Dockerfile
      username:
        from_secret: docker_username
      password:
        from_secret: docker_password
      # Tag builds get a clean semver tag
      tags:
        - ${DRONE_TAG}
      buildkit: true
      labels:
        org.opencontainers.image.source: ${DRONE_GIT_HTTP_URL}
        org.opencontainers.image.revision: ${DRONE_COMMIT_SHA}
        org.opencontainers.image.created: ${DRONE_BUILD_FINISHED}
        org.opencontainers.image.version: ${DRONE_TAG}
    when:
      event:
        include: [ tag ]

trigger:
  event:
    - push
    - pull_request
    - tag

volumes:
  # Host (or tmp) volume to persist Gradle cache between builds
  - name: gradle-cache
    host:
      path: /tmp/drone/gradle-cache