docker-build-image.yml

name: Docker image build and push

on:
  release:
    types: [published]
  push:

permissions:
  contents: read
  packages: write

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build:
    name: Build Docker image ${{ matrix.type }}
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - type: jre
            dockerfile: Dockerfile
            latest: latest=true
          - type: native
            dockerfile: Dockerfile-native
            latest: latest=false
            tags: |
              type=semver,pattern={{raw}},suffix=-native
              type=raw,value=native

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          flavor: ${{ matrix.latest }}
          tags: ${{ matrix.tags }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: ${{ github.event_name == 'release' }}
          file: ${{ matrix.dockerfile }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}