image.yml

name: CI

on:
  push:
    tags:
      - '*'

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ vars.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Extract version parts
        id: version
        run: |
          RAW_REF="${{ github.ref_name }}"
          # strip the literal prefix
          VERSION="${RAW_REF#linkeddatahub-}"
          MAJOR="${VERSION%%.*}"
          MINOR="${VERSION%.*}"
          MINOR="${MINOR#*.}"
          echo "MAJOR=$MAJOR" >> $GITHUB_ENV
          echo "MINOR=$MAJOR.$MINOR" >> $GITHUB_ENV
          echo "FULL_VERSION=$VERSION" >> $GITHUB_ENV

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            atomgraph/linkeddatahub:latest
            atomgraph/linkeddatahub:${{ env.FULL_VERSION }}
            atomgraph/linkeddatahub:${{ env.MINOR }}
            atomgraph/linkeddatahub:${{ env.MAJOR }}