Portabase.Agent/.github/workflows/ghcr.yml

name: GHCR Publish

on:
  workflow_call:
    inputs:
      version:
        required: true
        type: string
      ref:
        required: true
        type: string
      add_latest:
        required: false
        type: boolean
        default: false
      dockerfile:
        required: false
        type: string
        default: "./docker/Dockerfile"
      target:
        required: false
        type: string
        default: "prod"

permissions:
  contents: read
  packages: write

jobs:
  build:
    name: Build ${{ matrix.platform }}
    runs-on: ${{ matrix.platform == 'linux/amd64' && 'ubuntu-latest' || 'ubuntu-24.04-arm' }}
    strategy:
      fail-fast: false
      matrix:
        platform: [ linux/amd64, linux/arm64 ]
    steps:
      - name: Prepare vars
        id: prep
        run: |
          ARCH="${{ matrix.platform == 'linux/amd64' && 'amd64' || 'arm64' }}"
          echo "arch=$ARCH" >> "$GITHUB_OUTPUT"
          echo "image=ghcr.io/${GITHUB_REPOSITORY_OWNER,,}/agent" >> "$GITHUB_OUTPUT"

      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.ref }}
          fetch-depth: 1

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

      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ${{ inputs.dockerfile }}
          platforms: ${{ matrix.platform }}
          target: ${{ inputs.target }}
          provenance: false
          outputs: type=image,name=${{ steps.prep.outputs.image }},push-by-digest=true,name-canonical=true,push=true
          cache-from: type=gha,scope=ghcr-${{ steps.prep.outputs.arch }}
          cache-to: type=gha,mode=max,scope=ghcr-${{ steps.prep.outputs.arch }},ignore-error=true

      - name: Export digest
        env:
          DIGEST: ${{ steps.build.outputs.digest }}
        run: |
          mkdir -p /tmp/digests
          touch "/tmp/digests/${DIGEST#sha256:}"

      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digest-${{ steps.prep.outputs.arch }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    name: Create multi-arch manifest
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Prepare vars
        id: prep
        run: echo "image=ghcr.io/${GITHUB_REPOSITORY_OWNER,,}/agent" >> "$GITHUB_OUTPUT"

      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: /tmp/digests
          pattern: digest-*
          merge-multiple: true

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

      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ steps.prep.outputs.image }}
          tags: |
            type=semver,pattern={{version}},value=${{ inputs.version }}
            type=semver,pattern={{major}}.{{minor}},value=${{ inputs.version }}
            type=semver,pattern={{major}},value=${{ inputs.version }}
            type=raw,value=latest,enable=${{ inputs.add_latest }}

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

      - name: Inspect
        run: docker buildx imagetools inspect ${{ steps.prep.outputs.image }}:${{ inputs.version }}