build-workflow.yml

name: build docker image and update build hash

on:
  workflow_call:
    inputs:
      image_name:
        required: true
        type: string
      dockerfile:
        required: true
        type: string
      license:
        required: true
        type: string
      clone_repo:
        required: true
        type: boolean
      hash_file:
        required: true
        type: string
      app_name:
        required: true
        type: string
      repo:
        required: true
        type: string
      branch:
        required: false
        default: 'main'
        type: string
      build_arch:
        required: true
        type: string
      context:
        required: true
        type: string

permissions:
  contents: write
  packages: write
  # This is used to complete the identity challenge
  # with sigstore/fulcio when running outside of PRs.
  id-token: write

jobs:
  build-image:
    runs-on: ubuntu-latest
    env:
      CONTEXT: ${{ inputs.context }}
      LICENSE: ${{ inputs.license }}
      CLONE_REPO: ${{ inputs.clone_repo }}
      IMAGE_NAME: ${{ inputs.image_name }}
      DOCKER_FILE: ${{ inputs.dockerfile }}
      HASH_FILE: ${{ inputs.hash_file }}
      APP_NAME: ${{ inputs.app_name }}
      REPO: ${{ inputs.repo }}
      BRANCH: ${{ inputs.branch }}
      build_arch: ${{ inputs.build_arch }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@master
        with:
          platforms: all

      # Workaround: https://github.com/docker/build-push-action/issues/461
      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v2

      # Login against a Docker registry except on PR
      # https://github.com/docker/login-action
      - name: Log into registry docker.io
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v2
        with:
          registry: docker.io
          username: ${{ secrets.DOCKER_USER }}
          password: ${{ secrets.DOCKER_PASS }}

      - name: Log into registry quay.io
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v2
        with:
          registry: quay.io
          username: ${{ secrets.QUAY_USER }}
          password: ${{ secrets.QUAY_PASS }}

      - name: Log into registry ghcr.io
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Extract metadata (tags, labels) for Docker
      # https://github.com/docker/metadata-action
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: |
            ghcr.io/${{ env.IMAGE_NAME }}
            quay.io/${{ env.IMAGE_NAME }}
            docker.io/${{ env.IMAGE_NAME }}
          labels: |
            org.opencontainers.image.licenses=${{ env.LICENSE }}
            org.opencontainers.image.title=${{ env.APP_NAME }}

      - name: Clone git repo for docker context
        if: env.CLONE_REPO == 'true'
        run: |
          git clone --branch ${{ env.BRANCH }} ${{ env.REPO }} ${{ env.CONTEXT }}
          cp ${{ env.DOCKER_FILE }} ${{ env.CONTEXT }}/${{ env.DOCKER_FILE }}

      # Build and push Docker image with Buildx (don't push on PR)
      # https://github.com/docker/build-push-action
      - name: Build and push Docker image
        id: build-and-push
        uses: docker/build-push-action@v4
        with:
          context: ${{ env.CONTEXT }}
          file: ${{ env.DOCKER_FILE }}
          platforms: ${{ env.build_arch }}
          push: ${{ github.event_name != 'pull_request' }}
          tags: |
            quay.io/${{ env.IMAGE_NAME }}:latest
            ghcr.io/${{ env.IMAGE_NAME }}:latest
            docker.io/${{ env.IMAGE_NAME }}:latest
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  update-build-commit:
    runs-on: ubuntu-latest
    needs: build-image
    env:
      HASH_FILE: ${{ inputs.hash_file }}
      REPO: ${{ inputs.repo }}
    steps:
    - name: Checkout repository
      uses: actions/checkout@v3

    - name: fetch latest commits
      run: git pull

    - name: Update build commit
      run: git ls-remote ${{ env.REPO }} ${{ inputs.branch }} > ${{ env.HASH_FILE }}

    - name: commit and push hash update
      uses: stefanzweifel/git-auto-commit-action@v4
      with:
        file_pattern: ${{ inputs.hash_file }}
        commit_message: update ${{ inputs.app_name }} build commit