release-docker.yml

name: Publish Docker Image

on:
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      IMAGE_NAME: ghcr.io/drill4j/java-agent
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          fetch-tags: true

      - name: Determine current tag
        id: get_tag
        run: |
          TAG=$(git describe --exact-match --tags $(git rev-parse HEAD) 2>/dev/null || true)
          if [ -z "$TAG" ]; then
            echo "ERROR: Current commit is not tagged"
            exit 1
          fi
          # Strip leading 'v' if present
          VERSION=${TAG#v}
          echo "DRILL_AGENT_VERSION=$VERSION" >> $GITHUB_ENV
          echo "Tag detected: $TAG -> Docker tag: $VERSION"

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build agent image
        run: |
          echo "Building Drill agent version $DRILL_AGENT_VERSION"
          docker build --build-arg DRILL_AGENT_VERSION=$DRILL_AGENT_VERSION -t $IMAGE_NAME:$DRILL_AGENT_VERSION .

      - name: Push agent image
        run: |
          docker push $IMAGE_NAME:$DRILL_AGENT_VERSION