docker-publish.yml

name: docker publish

on:
  push:
    branches: [main]
    tags: [v*.*.*] # 手動で作成した時用
  pull_request:
  workflow_call:
    inputs:
      tag-name:
        required: true
        type: string

env:
  IMAGE_NAME: om
  # バージョン指定
  # renovate: datasource=github-releases depName=docker/buildx
  BUILDX_VERSION: v0.25.0

jobs:
  env:
    # release-please によるコミットの時は workflow_call でのみ実行する
    if: ${{ !( github.workflow == 'docker publish' && startsWith(github.event.head_commit.message, 'release:') && github.event.head_commit.author.name == 'github-actions[bot]' ) }}
    runs-on: ubuntu-latest
    outputs:
      REGISTRY_IMAGE: ${{ steps.lowercase.outputs.REGISTRY_IMAGE }}
      PUSH: ${{ github.event_name != 'pull_request' }}
    steps:
      - id: lowercase
        run: |
          registory_image='ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}'
          echo "REGISTRY_IMAGE=${registory_image@L}" >> $GITHUB_OUTPUT

  meta:
    needs: [env]
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.metadata.outputs.version}}
      tags: ${{ steps.metadata.outputs.tags }}
      labels: ${{ steps.labels.outputs.labels }}
      json: ${{ steps.metadata.outputs.json }}
    steps:
      - name: Docker Metadata
        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
        id: metadata
        with:
          images: ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
          tags: |
            type=semver,pattern={{version}},value=${{ inputs.tag-name }}
            type=semver,pattern={{major}}.{{minor}},value=${{ inputs.tag-name }}
            type=semver,pattern={{major}},value=${{ inputs.tag-name }},enable=${{ !(startsWith(github.ref, 'refs/tags/v0.') || startsWith(inputs.tag-name, 'v0.')) }}
            type=edge,branch=main

      - name: Delete org.opencontainers.image.licenses label
        id: labels
        run: |
          cat << EOS >> "$GITHUB_OUTPUT"
          labels<<EOF
          $(echo '${{ steps.metadata.outputs.labels }}' | sed '/^org.opencontainers.image.licenses=/d')
          EOF
          EOS

  docker-publish:
    permissions:
      packages: write
    needs: [env, meta]
    strategy:
      fail-fast: false
      matrix:
        include:
          - platform: linux/amd64
            on: ubuntu-latest
          - platform: linux/arm64
            on: ubuntu-24.04-arm
    runs-on: ${{ matrix.on }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
        with:
          version: ${{ env.BUILDX_VERSION }}

      - name: Log in to the Container registry
        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - id: build-push
        name: Build and push by digest
        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          platforms: ${{ matrix.platform }}
          labels: ${{ needs.meta.outputs.labels }}
          outputs: type=image,name=${{ needs.env.outputs.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=${{ fromJson(needs.env.outputs.PUSH) }}
          cache-from: type=gha,scope=buildkit-${{ matrix.platform }}
          cache-to: type=gha,scope=buildkit-${{ matrix.platform }},mode=max

      - if: ${{ github.event_name != 'pull_request' }}
        name: Display image digest
        env:
          NAME: ${{ fromJson(steps.build-push.outputs.metadata)['image.name'] }}
          DIGEST: ${{ fromJson(steps.build-push.outputs.metadata)['containerimage.digest'] }}
        run: |
          name=$(cut --delimiter=',' --fields=1 <<< "$NAME")

          echo '```' >> $GITHUB_STEP_SUMMARY
          echo "$name@$DIGEST" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY

      - id: export-digest
        if: ${{ fromJson(needs.env.outputs.PUSH) }}
        name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build-push.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"
      - id: prepare
        if: ${{ steps.export-digest.conclusion == 'success' }}
        name: Prepare
        run: |
          platform=${{ matrix.platform }}
          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_OUTPUT
      - if: ${{ steps.export-digest.conclusion == 'success' }}
        name: Upload digest
        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
        with:
          name: digests-${{ steps.prepare.outputs.PLATFORM_PAIR }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    permissions:
      packages: write
    needs: [env, meta, docker-publish]
    if: ${{ fromJson(needs.env.outputs.PUSH) }}
    runs-on: ubuntu-latest
    steps:
      - name: Download digests
        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
        with:
          path: /tmp/digests
          pattern: digests-*
          merge-multiple: true

      - name: Log in to the Container registry
        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Create manifest list and push
        working-directory: /tmp/digests
        shell: bash -xe {0}
        env:
          DOCKER_METADATA_OUTPUT_JSON: ${{ needs.meta.outputs.json }}
        run: |
          docker buildx imagetools create $(jq -cr '.tags | map("--tag=" + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
          $(printf '${{ needs.env.outputs.REGISTRY_IMAGE }}@sha256:%s ' *)

      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ needs.env.outputs.REGISTRY_IMAGE }}:${{ needs.meta.outputs.version }}