docker.yml

name: Docker

# The image of a release, for amd64 and arm64 (arm64 emulated: the build is small): pushed as the release's version,
# its minor and major versions and latest when a release tag (json2rdf-<version>) is pushed, or by hand for a tag given.
# Needs the repository variable DOCKERHUB_USERNAME and the secret DOCKERHUB_TOKEN, as LinkedDataHub's release.
on:
  push:
    tags: ['json2rdf-*']
  workflow_dispatch:
    inputs:
      tag:
        description: 'the release tag to build (json2rdf-<version>)'
        required: true

env:
  IMAGE: atomgraph/json2rdf

jobs:
  image:
    runs-on: ubuntu-latest
    steps:
      - name: The release's version
        id: version
        run: |
          tag="${{ github.event.inputs.tag || github.ref_name }}"
          version="${tag#json2rdf-}"
          major="${version%%.*}"
          minor="${version%.*}"
          echo "tag=$tag" >> "$GITHUB_OUTPUT"
          echo "version=$version" >> "$GITHUB_OUTPUT"
          echo "minor=$minor" >> "$GITHUB_OUTPUT"
          echo "major=$major" >> "$GITHUB_OUTPUT"
      - uses: actions/checkout@v4
        with:
          ref: ${{ steps.version.outputs.tag }}
      - uses: docker/setup-qemu-action@v3
      - uses: docker/setup-buildx-action@v3
      - uses: docker/login-action@v3
        with:
          username: ${{ vars.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            ${{ env.IMAGE }}:${{ steps.version.outputs.version }}
            ${{ env.IMAGE }}:${{ steps.version.outputs.minor }}
            ${{ env.IMAGE }}:${{ steps.version.outputs.major }}
            ${{ env.IMAGE }}:latest