asg-server/.github/workflows/docker-build.yml

name: docker-build

on:
  workflow_call:
    inputs:
      app-name:
        required: true
        type: string
    secrets:
      username:
        required: true
      password:
        required: true
    outputs:
      app-version:
        value: ${{ jobs.merge.outputs.app-version }}

env:
  DOCKERHUB_REPO: capcom6/${{ inputs.app-name }}
  GHCR_REPO: ghcr.io/${{ github.repository }}

jobs:
  build:
    name: Docker image
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        platform:
          - linux/amd64
          - linux/arm64
    permissions:
      packages: write

    steps:
      - name: Prepare
        run: |
          platform=${{ matrix.platform }}
          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV

      - name: Docker meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.DOCKERHUB_REPO }}
            ${{ env.GHCR_REPO }}

      - name: Log into Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.username }}
          password: ${{ secrets.password }}

      - name: Login to Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set APP_VERSION env
        run: echo APP_VERSION=$(echo ${GITHUB_REF} | rev | cut -d'/' -f 1 | rev ) >> ${GITHUB_ENV}
      - name: Set APP_RELEASE env
        run: echo APP_RELEASE=$(( ($(date +%s) - $(date -d "2022-06-15" +%s)) / 86400 )) >> ${GITHUB_ENV}

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

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

      - name: Build and push Docker image
        id: build
        uses: docker/build-push-action@v6
        with:
          file: build/package/Dockerfile
          platforms: ${{ matrix.platform }}
          build-args: |
            APP=${{ inputs.app-name }}
            APP_VERSION=${{ env.APP_VERSION }}
            APP_RELEASE_ID=${{ env.APP_RELEASE }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,"name=${{ env.DOCKERHUB_REPO }},${{ env.GHCR_REPO }}",push-by-digest=true,name-canonical=true,push=true

      - name: Export digest
        run: |
          mkdir -p ${{ runner.temp }}/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "${{ runner.temp }}/digests/${digest#sha256:}"

      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ env.PLATFORM_PAIR }}
          path: ${{ runner.temp }}/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    needs:
      - build
    outputs:
      app-version: ${{ steps.meta.outputs.version }}

    steps:
      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: ${{ runner.temp }}/digests
          pattern: digests-*
          merge-multiple: true

      - name: Log into Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.username }}
          password: ${{ secrets.password }}

      - name: Login to Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

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

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.DOCKERHUB_REPO }}
            ${{ env.GHCR_REPO }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}

      - name: Create manifest list and push
        working-directory: ${{ runner.temp }}/digests
        run: |
          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf '${{ env.DOCKERHUB_REPO }}@sha256:%s ' *)
          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf '${{ env.GHCR_REPO }}@sha256:%s ' *)

      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ env.DOCKERHUB_REPO }}:${{ steps.meta.outputs.version }}
          docker buildx imagetools inspect ${{ env.GHCR_REPO }}:${{ steps.meta.outputs.version }}